2 syllables:
freising, guising, heizung, ising, i zing, phising, prising, prizing, rising, seising, sizing, vising, wising

3 syllables:
88rising, abscising, advising, apprising, apprizing, arising, assizing, baptizing, capsizing, chastising, cherising, cognising, cognizing, comprising, demising, despising, devising, disguising, disprizing, disseising, downsizing, emprising, excising, incising, kyanizing, mainprising, misprizing, peptizing, prevising, quantizing, reprising, resizing, revising, rightsizing, self-rising, stylizing, sunrising, surmising, surprising, uprising, upsizing

4 syllables:
accurizing, acidizing, advertising, advertizing, aggrandising, aggrandizing, alchemizing, alkalizing, amortising, amortizing, analyzing, anglicising, anglicizing, anodising, anodizing, aphorizing, appetising, appetizing, arborizing, atomising, atomizing, authorising, authorizing, azotizing, balkanizing, barbarizing, bastardising, bastardizing, bestializing, botanizing, breathalyzing, brutalising, brutalizing, burglarising, burglarizing, canalising, canalizing, canonising, canonizing, caponising, caponizing, capsulizing, carbonizing, carburising, carburizing, carnalizing, catalyzing, catechizing, centralising, centralizing, channelizing, christianising, christianizing, circumcising, civilizing, classicizing, climatizing, colonising, colonizing, colorizing, communizing, compromising, concertizing, concretizing, criticising, criticizing, crystalizing, crystallising, crystallizing, customising, customizing, demonising, demonizing, deputising, deputizing, dialyzing, digitising, digitizing, diphthongizing, divinizing, dogmatizing, dramatising, dramatizing, dualizing, ebonizing, emblemizing, empathising, empathizing, emphasising, emphasizing, energising, energizing, enterprising, enthronizing, equalising, equalizing, eternizing, etherizing, eulogising, eulogizing, euphemizing, euthanizing, exercising, exorcising, exorcizing, expertizing, fabulizing, factorizing, fantasising, fantasizing, faradizing, federalizing, feminising, feminizing, fertilising, fertilizing, feudalizing, finalising, finalizing, fluidizing, focalising, focalizing, formalising, formalizing, formulizing, fossilising, fossilizing, fragmentizing, fraternising, fraternizing, gallicizing, galvanising, galvanizing, generalizing, germanizing, ghettoizing, glamourizing, globalizing, gluttonizing, gormandising, gormandizing, gospelizing, gourmandizing, graphitizing, harmonizing, heathenizing, hellenizing, hierarchizing, humanizing, hybridizing, hydrolyzing, hypnotising, hypnotizing, idealizing, idolising, idolizing, immunising, immunizing, improvising, infamizing, iodizing, ionising, ionizing, iridizing, ironizing, itemising, itemizing, jeopardising, jeopardizing, journalising, journalizing, laconizing, laicizing, latinising, latinizing, legalising, legalizing, lethargizing, liberalising, liberalizing, lionising, lionizing, liquidizing, localising, localizing, luteinizing, magnetising, magnetizing, malvertising, marbleising, marbleizing, martyrizing, matronizing, maximising, maximizing, mechanizing, melodizing, memorising, memorizing, mercerizing, merchandising, merchandizing, mesmerising, mesmerizing, metalizing, metallizing, methodizing, micronizing, mineralizing, minimising, minimizing, mirandizing, misadvising, mobilizing, modernising, modernizing, moisturising, moisturizing, monetising, monetizing, moralising, moralizing, motorizing, mysterizing, narcotizing, nasalizing, nationalizing, naturalising, naturalizing, nebulizing, necrotizing, neutralising, neutralizing, normalising, normalizing, notarising, notarizing, novelizing, odorizing, opalizing, opsonizing, optimizing, organizing, ostracising, ostracizing, oversizing, oxidising, oxidizing, ozonizing, paganizing, palletizing, paralyzing, parkerizing, pasteurising, pasteurizing, patronising, patronizing, pauperizing, pelletizing, penalising, penalizing, peptonizing, phosphatizing, picturizing, plagiarising, plagiarizing, plasticising, plasticizing, platonizing, poetizing, polarizing, pollenizing, prelatizing, pressurising, pressurizing, privatizing, publicising, publicizing, pulverising, pulverizing, pyrolyzing, racialising, randomising, randomizing, rasterizing, realising, realizing, recognising, recognizing, rhapsodising, rhapsodizing, rhetorizing, romanizing, rubberizing, ruralizing, sacralizing, sanitising, satirising, satirizing, scandalising, scandalizing, schematizing, schismatizing, scrutinising, scrutinizing, sensitising, sensitizing, sermonizing, sherardizing, signalising, signalizing, simonizing, slenderizing, socialising, socializing, solarizing, solemnizing, specialising, specializing, stabilising, stabilizing, standardising, standardizing, sterilising, sterilizing, stigmatising, stigmatizing, subitizing, subsidising, subsidizing, subtilizing, summarising, summarizing, supervising, syllogizing, symbolising, symbolizing, symmetrizing, sympathising, sympathizing, symphonizing, synchronising, synchronizing, syncretizing, synopsizing, synthesising, synthesizing, synthetizing, systemizing, tantalising, tantalizing, televising, temporising, temporizing, tenderizing, terrorising, terrorizing, texturizing, theorising, theorizing, thermalizing, tokenizing, totalizing, tranquilising, tranquilizing, tranquillizing, traumatising, traumatizing, trivialising, trivializing, tyrannising, tyrannizing, unionising, unionizing, unitizing, unsurprising, urbanizing, utilising, utilizing, valorizing, vandalising, vandalizing, vaporising, vaporizing, vectorizing, verbalising, verbalizing, vernalizing, villanizing, virilizing, visualising, visualizing, vitalising, vitalizing, vocalising, vocalizing, vulcanizing, vulgarizing, weaponizing, westernising, westernizing, winsorizing, winterizing, womanising, womanizing, zentralheizung

5 syllables:
absolutizing, accessorising, accessorizing, acclimatising, acclimatizing, achromatizing, actualising, actualizing, aerobicizing, aestheticizing, albumenizing, alcoholizing, alkalinizing, allegorising, allegorizing, alphabetising, alphabetizing, aluminising, aluminizing, anaesthetizing, analogizing, anatomizing, anesthetizing, animalizing, annualizing, annuitising, annuitizing, anonymizing, antagonising, antagonizing, anthologizing, apologising, apologizing, apostatising, apostatizing, apostrophizing, aromatizing, austenitizing, automatizing, bituminizing, bowdlerizing, bureaucratizing, cannibalising, cannibalizing, capitalising, capitalizing, caramelizing, categorising, categorizing, catheterizing, catholicizing, characterizing, cicatrizing, circularizing, collectivizing, commercialising, commercializing, communalizing, componentizing, computerizing, conceptualising, conceptualizing, containerizing, contemporizing, criminalizing, cross-fertilizing, de-emphasizing, decarbonising, decarbonizing, decentralising, decentralizing, decimalizing, decolonizing, decolorizing, deemphasizing, dehumanizing, delocalizing, demagnetizing, demephitizing, demineralizing, demobilizing, democratising, democratizing, demonetizing, demoralising, demoralizing, denaturalizing, deodorising, deodorizing, deoxidising, deoxidizing, depersonalising, depersonalizing, depolarizing, depressurizing, desensitising, desensitizing, destabilising, destabilizing, desynchronizing, detribalizing, devitalizing, diabolizing, dichotomizing, digitalizing, disorganizing, doxologizing, economising, economizing, elasticising, elasticizing, electrolyzing, emblematizing, enigmatizing, epitomising, epitomizing, epoxidizing, eroticizing, estheticizing, eternalising, eternalizing, euhemerizing, evangelising, evangelizing, extemporising, extemporizing, externalising, externalizing, familiarising, familiarizing, fanaticizing, fictionalising, fictionalizing, formularizing, gelatinising, gelatinizing, geologizing, gwangju uprising, homogenising, homogenizing, homologizing, hospitalising, hospitalizing, hydrogenizing, hyperbolizing, hypostatizing, hypothesizing, idealising, idolatrizing, illegalizing, immobilising, immobilizing, incentivising, incentivizing, infantilizing, initialising, initializing, internalising, internalizing, isomerizing, italianizing, italicising, italicizing, keratinizing, labializing, latibulizing, legitimising, legitimizing, literalizing, lyophilizing, macadamizing, marginalising, marginalizing, masculinizing, medicalizing, metabolizing, metastasising, metastasizing, militarizing, miniaturizing, minimalizing, misrecognizing, monopolising, monopolizing, mythologising, mythologizing, neologising, neologizing, nitrogenizing, nonenterprising, objectivising, objectivizing, officializing, oxygenizing, palatalizing, panegyrizing, parallelizing, parasitizing, parenthesizing, peroxidizing, personalizing, phagocytising, phagocytizing, philosophizing, phlebotomising, phlebotomizing, polemicizing, politicising, politicizing, polymerizing, popularising, popularizing, prioritising, prioritizing, propagandising, propagandizing, proselytising, proselytizing, provincializing, psychologizing, radicalizing, rationalizing, reanalyzing, reauthorizing, recrystallizing, regionalizing, regularizing, relativizing, reorganizing, revitalising, revitalizing, ritualizing, romanticising, romanticizing, sectionalizing, secularizing, securitizing, self-aggrandising, self-aggrandizing, self-dramatizing, self-energizing, self-fertilizing, sensualizing, serialising, serializing, sexualising, sexualizing, singularizing, skeletonising, skeletonizing, soliloquising, soliloquizing, solubilizing, sovietizing, spiritualizing, substantializing, suburbanizing, synonymizing, systematizing, tabularizing, tautologising, tautologizing, theologizing, tropicalizing, unappetising, unappetizing, unenterprising, unsympathising, unsympathizing, vascularizing, vasectomizing, ventriloquizing, volatilizing

6 syllables:
americanizing, anagrammatizing, anathematizing, anthropomorphizing, apotheosizing, arterializing, attitudinising, attitudinizing, collateralizing, compartmentalizing, contextualising, contextualizing, conventionalising, conventionalizing, decriminalizing, demilitarizing, demythologizing, denationalizing, denuclearizing, departmentalizing, depoliticizing, emotionalizing, epigrammatizing, etherealizing, etymologizing, exteriorizing, hyperpolarizing, hyposensitizing, imperializing, impersonalizing, industrializing, insolubilizing, interiorizing, irrationalising, irrationalizing, legitimatizing, materialising, materializing, melodramatizing, memorialising, memorializing, mischaracterizing, municipalizing, occidentalizing, orientalizing, overemphasizing, overspecializing, palladiumizing, paradigmatizing, particularizing, pedestrianizing, peripheralizing, photosensitizing, photosynthesising, photosynthesizing, professionalizing, profit-maximising, profit-maximizing, psychoanalyzing, recapitalising, recapitalizing, remilitarizing, republicanizing, revolutionising, revolutionizing, self-actualizing, sensationalising, sensationalizing, sentimentalizing, underemphasizing, universalizing

7 syllables:
deindustrializing, dematerializing, editorialising, editorializing, institutionalising, intellectualizing, internationalising, internationalizing, overgeneralizing, video digitizing

8 syllables:
slovak national uprising

4 syllables:
agonizing, sacrificing

5 syllables:
self-sacrificing