1 syllable:
.tech, baeck, baek, bec, beck, blech, bleck, brech, breck, brekke, cech, ce ec, check, chek, cheque, cleck, creque, czech, dec, dech, deck, deque, drecche, dreck, dweck, eck, ek, etech, fc ec, fecche, feck, fleck, frech, freck, geck, grech, grecque, heck, hecke, hrbek, hw lec, jech, keck, kleck, kneck, krech, kretek, lech, leck, lecke, lek, mech, meck, mecque, mpe fec, nec, pech, peck, ptech, quek, rec, recche, rech, reck, rspec, scheck, schleck, schmeck, schneck, schnecke, schreck, sec, seche, seck, secque, seque, setec, sheck, shek, shreck, shrek, sneck, spec, spech, speck, stec, stech, steck, strech, streck, strecke, svec, szczech, tec, tech, teck, tek, tekke, theque, treck, trek, v-neck, weck, wfq ec, wnek, wrecche, wreck, yecch, yeck, yekke, zech, zeck, zecke, zweck

2 syllables:
adtec, adtech, agetec, aircheck, airmech, aleck, alt-tech, altec, amdec, amtec, amtech, antec, apec, aptech, ardec, armtec, armtek, artek, aspec, astec, atek, autech, aztec, back-check, backblech, backcheck, bad check, banctec, bank check, bartek, bedeck, bed check, bell deck, berec, bestek, big tech, birkbeck, bishkek, bistec, blank check, blendtec, bluetec, bo-shek, boat deck, bobeck, bocek, boltneck, bombeck, botec, bovec, breakneck, bridge deck, brintec, brobeck, brodbeck, brubeck, bruneck, btech, bullneck, burghbrech, caltech, cetec, chameck, chaneque, chemtrec, cimec, clauneck, cleantech, codec, coincheck, coltec, comptek, comspec, comtec, comtech, coorstek, coretech, crew-neck, crewneck, cromlech, crookneck, cross-check, crosscheck, cryptrec, crytek, deer-neck, dehecq, deltec, dembeck, destec, detec, dilbeck, ditech, dombeck, domecq, dubcek, edhec, edtech, emtec, endec, entec, erech, espec, essec, estec, ewe-neck, exec, eyetech, fanech, femtech, fintech, fishbeck, flight deck, flyspeck, fore-check, foredeck, fourth deck, francek, gacek, gatech, gladbeck, gleevec, goertek, goldbeck, gtech, gun deck, hacek, half-deck, harbeck, hatcheck, health check, hen-peck, henpeck, heuschrecke, hi-tech, hi-tek, high-tech, hightech, hitec, hitech, hornbeck, howtek, huastec, huvec, imtech, indec, inspec, intec, intech, in check, isrec, itech, itek, itsec, jacek, jeff beck, kel-tec, kexec, kohlbeck, konec, kotek, labrecque, labtec, lamech, lectec, limbeck, lithtech, lo-tech, longneck, lovech, low-tech, lubeck, luebeck, lundbeck, lybeck, macek, magec, main deck, manbeck, martech, martek, mastec, maybeck, mcpeck, melech, memtec, mestek, mil-spec, milspec, minntech, mitek, mivec, mixtec, mnase-seq, moftec, molech, mrotek, mtech, nadec, namecheck, navteq, nectec, newtek, nobec, nortec, nortek, notec, novec, oobleck, opec, optek, oreck, ossec, pantech, parsec, pathspec, paycheck, pentech, petek, philbeck, photek, pinchbeck, pipetec, placek, plambeck, playtech, plocek, poke-check, poke check, poop deck, portec, postech, presstek, prestech, protec, prypec, ptacek, quakec, quebec, questech, quickcheck, raincheck, rain check, raisbeck, ramtek, raytech, realtek, rebec, recheck, rechteck, redneck, refseq, repec, rexec, rhinebeck, ring-neck, ringneck, rna-seq, robeck, rollneck, roughneck, rubeck, sam quek, satec, scatec, schoenbeck, scitech, scoop-neck, scott beck, seebeck, semtech, showtek, sidek, siltec, simtek, sir-tech, sobeck, softech, sovtek, spartech, spell-check, spellcheck, spot-check, srimech, stantec, steam deck, steenbeck, steinbeck, strombeck, sudbeck, sun deck, syntec, syntech, tanrec, tape deck, teaneck, tenrec, third deck, thortec, toltec, transec, trellech, trolltech, tschakmeck, tucek, uncheck, utech, uttech, vacek, valtek, vanek, vanhecke, vanvleck, varech, ventech, vo-tech, vojtech, vortec, vtech, vulfpeck, wabtec, wavetek, wedtech, weitek, welltech, westtech, whinsec, whitbeck, winhec, witbeck, woodbeck, woodpeck, wordtech, world-check, wozzeck, wryneck, zacek, zadek, zaitech, zebec, zentec, zyrtec

3 syllables:
abcotek, adaptec, aerotech, afotec, afterdeck, aggrotech, ametek, anandtech, anitec, apobec, apotek, aquidneck, aristech, asetek, asiatech, astrotech, atac-seq, averbeck, awning deck, banacek, banker's check, battletech, bio-tech, biontech, biotech, body-check, bodycheck, bottle-neck, bottleneck, cargotec, cargo deck, cashier's check, cassette deck, ceatec, chiang kai-shek, christophe beck, cognitech, convatec, countercheck, cppcheck, cthulhutech, cytotec, cytotech, dailytech, desertec, digitech, digitek, dillenbeck, discotheque, double-check, doublecheck, dynatech, ecotec, eotech, epitech, equitec, eurocheck, eurocheque, evotec, extremetech, fiddleneck, filespec, filtertek, fk jablonec, forecheck, fujitec, funcinpec, gendrisek, genentech, geotek, ghettotech, golombek, gonothec, hallenbeck, halterneck, hemotec, hilsabeck, hit the deck, hollenbeck, holodeck, hunt-and-peck, hybritech, icohtec, immunetech, indotec, infotech, intertech, intertek, intratec, inventec, investec, isoetec, kaisertech, kennebec, kermadec, killingbeck, kominek, kompanek, konicek, kumrovec, landing deck, leatherneck, liberec, limberneck, littleneck, logitech, lower deck, magnetek, mazatec, meditech, memotec, merovech, microtek, miratec, muscletech, nano-tech, nanotech, nescopeck, nyentek, oapec, overbeck, overcheck, overpeck, panzerschreck, payroll check, peremech, piapec, polartec, polo-neck, polytech, positec, publitech, quarterdeck, receptech, reznicek, richard speck, robotech, rosenbeck, rubberneck, sabertech, sabortech, sabretech, second deck, sematech, seq2seq, shadow.tech, shelter deck, sinopec, solitec, storagetek, symantec, tabachneck, telecheck, terratech, ticketek, tlaxcaltec, triotech, triple sec, turtleneck, unitec, unitek, upper deck, vaccitech, vanderbeck, vasotec, viratek, vocaltec, weather deck, westerbeck, yucatec, zapotec

4 syllables:
a4tech, abimelech, achimelech, adrammelech, ahimelech, ameritech, amy yasbeck, anammelech, attendance check, attoparsec, autoexec, bibliotheque, certified check, chapultepec, cinematheque, discovered check, elimelech, hurricane deck, kiloparsec, libavcodec, medicare check, megaparsec, parity check, personal check, pinakothek, promenade deck, redundant check, regem-melech, tehuantepec, toulouse-lautrec, traveler's check, treasurer's check, uisnech, word2vec

5 syllables:
pontiac aztek, retirement check, timeline of star trek

6 syllables:
disability check, rider-waite tarot deck, sinovac biotech, standard 52-card deck

7 syllables:
henri de toulouse-lautrec