1 syllable:
-mates, ates, aytes, baits, bates, bates', cates, crates, date's, dates, eight's, eights, faits, fates, fetes, frates, freights, gaits, gates, gates', gates's, grates, great's, greats, hates, kate's, kates, kraits, lates, mates, nate's, pates, plaits, plates, prates, rate's, rates, sates, scates, skates, slates, spates, speights, state's, states, states', straights, straits, tate's, tates, thwaites, traits, vates, waite's, waites, waits, waitz, wates, weights, yates, yeats, zaitz

2 syllables:
abates, ablates, acates, aegates, agnates, airfreights, allstate's, annates, awaits, backdates, backplates, baldpates, bedmates, berates, birthdates, birthrates, bookplates, borates, breastplates, bromates, bunkmates, carpates, casemates, castrates, caudates, cellmates, cheapskates, checkmates, cholates, chordates, chromates, citrates, classmates, clathrates, claymates, coates, cognates, collates, conflates, cordaites, corestates, creates, crewmates, debate's, debates, deflates, dictates, dilates, dire straits, domates, donates, ebates, elates, equates, estate's, estates, faceplates, fellates, ferrates, fibrates, filtrates, fishplates, fixates, flatmates, floodgates, flyweights, footplates, frustrates, furcates, gemmates, gestates, grammates, gulf states, gyrates, helpmates, hotplates, housemates, hydrates, iaits, inflates, ingrates, inmate's, inmates, instates, kuwait's, leachates, lecates, librates, lightweights, locates, lustrates, luxates, magnates, makeweights, mandates, mardaites, messmates, metates, migrates, misdates, misstates, moates, mutates, nameplates, narrates, naucrates, negates, nidates, nitrates, notates, novates, outdates, patates, phonates, phthalates, picrates, playmates, postdates, predates, primates, probates, pronates, prorates, prostates, prostrates, pulsates, pupates, quadrates, rebates, reflates, relates, restates, roommates, rotates, scabdates, schoolmates, seagate's, sedates, serrates, shipmates, soleplates, soulmates, squamates, stagnates, stalemates, stargates, striates, substrates, sulfates, sulphates, sunstates, tailgates, tannates, tartrates, teammates, testates, teutates, the fates, titrates, tomates, tractates, translates, truncates, tungstates, updates, workmates, yeates, zincates

3 syllables:
guesstimates, abdicates, abnegates, abrogates, acclimates, acerbates, acetates, activates, actuates, adanates, adsorbates, adulates, adumbrates, advocates, aestivates, aggravates, agitates, aguacates, alginates, allocates, altercates, alternates, amputates, animates, annotates, antedates, antiquates, arbitrates, arrogates, arsenates, aspartates, aspirates, atrebates, auscultates, auspicates, automates, bantamweights, bifurcates, bitartrates, bloviates, boilerplates, brenton thwaites, brominates, cachinnates, calculates, calibrates, caliphates, callicrates, cannulates, capitates, captivates, carbamates, carbonates, castigates, catenates, celebrates, cerebrates, chlorinates, circulates, city-states, civitates, coacervates, cogitates, colligates, collimates, collocates, commentates, commutates, compensates, complicates, concentrates, condensates, confiscates, conglobates, conjugates, consecrates, constellates, constipates, consummates, contemplates, copulates, corestates', corrugates, coruscates, counterweights, craniates, crepitates, criminates, culminates, cultivates, cumulates, cyanates, cyclamates, deaminates, decimates, decollates, decorates, decussates, dedicates, defalcates, deflagrates, delegates, delegates', demarcates, demonstrates, denigrates, denudates, deprecates, depredates, desecrates, designates, desolates, desperate straits, desquamates, detonates, devastates, deviates, dichromates, diplomates, dissertates, dissipates, distillates, dominates, duplicates, edentates, educates, eigenstates, elevates, eluates, emigrates, emirates, emirates', emulates, enervates, enolates, epilates, escalates, estivates, euprimates, eurybates, excavates, expiates, explicates, extirpates, extricates, exudates, fabricates, fascinates, featherweights, fecundates, fibrillates, flagellates, flocculates, fluctuates, fluoridates, foliates, formulates, fornicates, fulminates, fumigates, fustigates, geminates, generates, germinates, glaciates, glutamates, graduates, gravitates, guestimates, heavyweights, herniates, hesitates, hibernates, hundredweights, hydrobates, hylobates, hyphenates, illustrates, imamates, imbricates, imitates, immigrates, immolates, implicates, imprecates, impregnates, incarnates, incubates, inculcates, indicates, infiltrates, innervates, innovates, instigates, insufflates, insulates, integrates, interstate's, interstates, intestates, intonates, intubates, inundates, invocates, iobates, iodates, irrigates, irritates, isolates, iterates, jubilates, kathy bates, lacerates, legislates, levigates, levirates, levitates, liberates, liquidates, litigates, lollerskates, lubricates, lucubrates, macerates, machinates, magistrates, malonates, marginates, margravates, marinates, marquisates, masterbates, masticates, masturbates, maturates, mediates, medicates, meditates, meliorates, menstruates, microstates, middleweights, militates, miscreates, mistranslates, mithridates, mitigates, moderates, molybdates, motivates, muriates, mutilates, nation-states, nationstates, nauseates, navigates, neonates, nictitates, nominates, norman bates, nucleates, numerates, obfuscates, obligates, obviates, oleates, operates, orchestrates, orthostates, oscillates, osculates, othergates, overrates, overstates, oxalates, paginates, palmitates, pan-primates, paperweights, peculates, penetrates, pennyweights, percolates, perforates, permeates, permutates, perorates, perpetrates, personates, pherecrates, phyllobates, pollinates, polycrates, populates, postulates, potentates, predicates, priorates, procreates, profligates, propagates, pullulates, pulmonates, punctuates, pustulates, pyruvates, rabbinates, radiates, raffinates, re-creates, recreates, regulates, rehydrates, reinstates, relegates, remonstrates, renovates, replicates, resinates, resonates, retranslates, roller-skates, rollerskates, rubricates, ruminates, runagates, rusticates, salivates, satiates, saturates, segregates, separates, sequestrates, sibilates, silicates, simulates, situates, sonicates, speciates, speculates, sporulates, stablemates, stimulates, stipulates, strangulates, stridulates, subjugates, subrogates, suffocates, sulfonates, supinates, supplicates, surrogates, syncopates, syndicates, tablemates, tabulates, terminates, tessellates, tiridates, titanates, titillates, titivates, tolerates, transmigrates, transudates, triplicates, turbinates, tyler bates, ulcerates, underrates, understates, underweights, undulates, ungulates, uniates, urinates, urticates, vacillates, valerates, validates, valuates, vanadates, vegetates, venerates, ventilates, vertebrates, vesicates, vindicates, watergates, welterweights, xerobates

4 syllables:
misestimates, 50 first dates, abbreviates, abominates, absquatulates, accelerates, accommodates, accumulates, acidulates, acuminates, adjudicates, administrates, adulterates, affiliate's, affiliates, agglomerates, agglutinates, alienates, aluminates, amalgamates, ameliorates, aneuniates, annihilates, another-gates, anticipates, apostolates, appreciates, appropriates, approximates, asphyxiates, assassinates, assimilates, associates, attenuates, ausuciates, authenticates, barbituates, bicarbonates, bisphosphonates, calumniates, capacitates, capitulates, cardinalates, chelicerates, chronoperates, circumvallates, co-operates, coagulates, coelomates, collaborates, commemorates, commiserates, communicates, concatenates, conciliates, confabulates, conglutinates, congratulates, consolidates, contaminates, contraindicates, cooperates, coordinates, corroborates, deactivates, debilitates, decapitates, decelerates, decrepitates, defenestrates, defibrillates, deliberates, delineates, demodulates, demotivates, denominates, depopulates, depreciates, deregulates, desalinates, desegregates, desiderates, detoxicates, devaluates, dilapidates, discriminates, disintegrates, disseminates, dissimulates, domesticates, edulcorates, effectuates, ejaculates, elaborates, electroplates, eliminates, elucidates, emaciates, emancipates, emasculates, encapsulates, enucleates, enumerates, enunciates, episcopates, equilibrates, equivocates, eradicates, evacuates, evaluates, evaporates, eviscerates, exacerbates, exaggerates, exasperates, excogitates, excoriates, excruciates, exenterates, exhilarates, exonerates, expatiates, expatriates, expostulates, expropriates, exsanguinates, extenuates, exterminates, extrapolates, extravasates, exuviates, facilitates, felicitates, habilitates, habituates, halogenates, hemichordates, hemihydrates, homogenates, homologates, humiliates, hydrogenates, hydrolysates, hypothecates, illuminates, impersonates, inactivates, incarcerates, incinerates, incorporates, incriminates, indoctrinates, inebriates, infatuates, infuriates, ingratiates, innoculates, inoculates, inseminates, instantiates, intercalates, interpellates, interpolates, interrelates, interrogates, intimidates, intoxicates, invaginates, invalidates, invertebrates, investigates, invigilates, invigorates, irradiates, licentiates, linoleates, lixiviates, manipulates, misallocates, miscalculates, miseducates, necessitates, negotiates, noviciates, obliterates, obnubilates, officiates, order primates, orientates, originates, oxygenates, pantothenates, participates, perpetuates, polypedates, polysorbates, pontificates, potentiates, precipitates, predestinates, predominates, prefabricates, premeditates, presbyterates, procrastinates, prognosticates, proliferates, propionates, proportionates, qamaits, quadruplicates, reactivates, recalculates, reciprocates, recuperates, redecorates, reduplicates, reformulates, refrigerates, regenerates, regurgitates, reincarnates, reintegrates, rejuvenates, remunerates, renominates, repatriates, repudiates, resuscitates, retaliates, revalidates, reverberates, self-replicates, sextuplicates, ss united states, stereobates, subordinates, substantiates, system of weights, thiosulfates, transliterates, united states, vesiculates

5 syllables:
underestimates, acoelomates, borosilicates, cephalochordates, circumnavigates, circumstantiates, coelenterates, decontaminates, dehydrogenates, deteriorates, differentiates, dinoflagellates, disaffiliates, disambiguates, disassociates, disorientates, disproportionates, excommunicates, glucosinolates, glycoconjugates, hyperventilates, incapacitates, interpenetrates, isocyanates, list of sovereign states, melinda french gates, misappropriates, overcompensates, overestimates, overregulates, phyllosilicates, post-soviet states, pseudocoelomates, recapitulates, red states and blue states, rehabilitates, reinvigorates, renegotiates, supersaturates, thiocyanates, thioglycolates, w. b. yeats, war between the states, william butler yeats

6 syllables:
enemy at the gates, immunoconjugates, intercommunicates, iodoacetates, list of socialist states, oxaloacetates, polyunsaturates, southern united states

7 syllables:
aluminosilicates, crime in the united states, isothiocyanates, northeastern united states, sports in the united states, time in the united states

8 syllables:
big five personality traits, culture of the united states, islam in the united states

9 syllables:
cabinet of the united states, capital of the united states, cinema of the united states, commonwealth of independent states, history of the united states, politics of the united states, president of the united states, religion in the united states, slavery in the united states

10 syllables:
2021 in the united states, constitution of the united states, economy of the united states

11 syllables:
organization of american states

12 syllables:
attorney general of the united states

3 syllables:
emphasis, nebulous, elements, hephaestus, tetanus, sedulous, petulance, offenseless, fecklessness, membranous, restlessness, excellence, exodus, evidence, pendulous, recklessness, edifice, detritus, blessedness, helplessness, renascence, precedence, helpfulness, pestilence, tremulous, prevalence, eminence, tenebrous, fretfulness, aesculus, pegasus, endlessness, resinous, credulous, resonance, dreadfulness, elephants, eloquence, pleasantness, regulus, daedalus, gentleness, healthfulness, precipice, petalous, specialness, negligence, tendinous, tenuous, emulous, femaleness, genesis, xenopus, venomous, benelux, elegance, relevance, desmanthus, emphasise, friendlessness, gempylus, haemanthus, jejuneness, mespilus, methodists, penstemon deustus, precedents, preciousness, restfulness, senselessness, sentiments, settlements, sexlessness, specialists, temperateness, vengefulness, zestfulness

4 syllables:
contentiousness, benevolence, inelegance, antecedence, preeminence, beneficence, unpleasantness, affectedness, apetalous, directionless, edematous, shigellosis, state's evidence, maleficence, pink elephants, persepolis, incredulous, irrelevance, intelligence, malevolence, eleven-plus, necessitous, acceptableness, adenosis, agenesis, cnicus, defencelessness, defenselessness, developments, digenesis, distressfulness, dysgenesis, essentialness, forgetfulness, good-temperedness, impetuousness, incessantness, licentiousness, momentousness, neglectfulness, oogenesis, pretentiousness, re-emphasise, relentlessness, respectfulness, successfulness, tendentiousness, unhealthfulness, unhelpfulness

5 syllables:
macrocephalous, leptocephalus, atelectasis, conscientiousness, hearsay evidence, hydrocephalus, direct evidence, microcephalous, overemphasis, acrocephalus, ambidextrousness, androgenesis, anencephalous, arctocephalus, autogenesis, biogenesis, blastogenesis, cacogenesis, caenogenesis, cainogenesis, cenogenesis, chirocephalus, cogent evidence, cynocephalus, cytogenesis, epigenesis, epinephelus, gynogenesis, kainogenesis, kenogenesis, metagenesis, microcephalus, monogenesis, moral excellence, myxocephalus, ontogenesis, palingenesis, pathogenesis, phylogenesis, pyrocephalus, rule of evidence, sacrilegiousness, sarcocephalus, stenopelmatus, unacceptableness, unpretentiousness, xenogenesis

6 syllables:
magnetic resonance, indirect evidence, dicotyledonous, abiogenesis, adult intelligence, agamogenesis, amelogenesis, anthropogenesis, atherogenesis, combat intelligence, current intelligence, funeral-residence, gorgonocephalus, heterocephalus, heterogenesis, nuclear resonance, parthenogenesis, platypoecilus, showing intelligence, signals intelligence, spermatogenesis, terrain intelligence, unconscientiousness, verbal intelligence

7 syllables:
circumstantial evidence, borderline intelligence, nonverbal intelligence, strategic intelligence, tactical intelligence

8 syllables:
artificial intelligence, electronics intelligence, proton magnetic resonance, security intelligence, showing lack of intelligence, telemetry intelligence

9 syllables:
communications intelligence