1 syllable:
aatcc, baack, bach, balk, balkh, baulk, bloc, bloch, blok, bn toc, boch, bock, bohlke, bok, broc, broch, brock, brok, calk, caulk, chalk, chauk, chock, chok, clock, cnwch coch, cock, croc, crock, d-block, dc talk, doc, dock, docke, drawk, drock, f-block, falk, falke, faulk, floc, flock, flocke, fnmoc, frock, fyock, g-loc, g-shock, gawk, glauc, glauque, glock, glocke, gocke, gohlke, groch, grock, guache, h-blockx, haack, haacke, haak, haake, hauck, hauk, hauke, hawk, hawke, hla-c, hoc, hoch, hock, hocke, hok, jacques, jfacc, jock, jrock, jrotc, jspoc, kalk, kauk, kdloc, kloc, klock, klocke, knaack, knaak, knoch, knock, knokke, kock, kok, kroc, krock, krok, kwok, laack, laake, lauck, loch, lock, locke, lok, lokke, maack, mach, mauck, mauk, moch, mock, mock-, mok, njrotc, nock, ntalk, och, pflock, ploch, plock, poch, pock, proch, prock, raakh, rhebok, roc, roch, rock, rocke, rocque, rokke, salk, sauk, schaack, schalk, schlock, schoch, schock, schok, schrock, scroc, shaak, shlock, shock, shrock, skok, skroch, smaak, smock, sock, socke, sok, spaak, spock, sproc, sprock, squawk, srock, staack, stalk, stock, stocke, stockx, stokke, strock, swalk, taake, talk, thwack, tock, troch, valk, vlok, vocke, waack, wache, walk, walke, waulk, wok, ytalk, zoch, zwack

2 syllables:
30 rock, accroc, actalk, ad-hoc, ad-rock, adblock, adcock, adhoc, ad hoc, airlock, air lock, air sock, alcock, allcock, alloc, alt-rock, ansbach, anspach, armlock, arrach, arschloch, arzach, ashlock, auroch, back-talk, backtalk, ballcock, ballhawk, ball cock, ball hawk, bambach, bangkok, barach, baraque, baumbach, bawcock, baykok, beadlock, beanstalk, bedrock, bedstock, beef stock, beldock, benstock, bergstock, bernbach, bienstock, bierbalk, bierock, binstock, bitstock, biztalk, blackcock, blackhawk, blacklock, blackrock, blackstock, black cock, blakelock, blakroc, bloodrock, bloodstock, boardwalk, bodach, boondock, bostock, breadtalk, brecknock, breechblock, breeze-block, breitbach, bridgetalk, brumbach, buntrock, buntstrock, buttstock, by-talk, by-walk, byacc, c-block, cakewalk, calstock, capoc, capoch, caprock, cardstock, carlock, casaque, catwalk, cellblock, ceroc, chalk talk, chepauk, chhapaak, ciroc, clarsach, cold-cock, coldcock, colestock, coloc, comstock, cooltalk, corn-stalk, cornstalk, cosaque, crip walk, cross-talk, crosstalk, crosswalk, crushed rock, cumdach, d-loc, d-lock, dadrock, daglock, dambach, dance-rock, darkhawk, deadlock, deadstock, deathlok, dectalk, defalk, defrock, destock, dethklok, diestock, dingtalk, disfrock, doglock, donsbach, dorhawk, dorrhawk, dreadlock, dreisbach, dresbach, drillstock, dry dock, duckwalk, dundalk, earthshock, ebrauke, edraak, einfach, elcock, elflock, enlock, en bloc, erlach, eschbach, escroc, eshbach, estok, eyestalk, fahnestock, fast-talk, fatstock, fauxhawk, feedstock, feschbach, feshbach, fetlock, finefrock, finfrock, fischbach, fish-block, fishhawk, fish hawk, flintlock, folk-rock, folkrock, footstalk, footstock, forehock, foreshock, french chalk, gablock, gamecock, gavelock, genlock, glam rock, glasscock, goldbach, goldstock, goonrock, goshawk, gourock, grauwacke, graywacke, greyhawk, greywacke, gridlock, grimlock, gritrock, growth stock, gunlock, gunstock, haithcock, half-cock, half-stock, halfcock, hamrock, hancock, handcock, harbach, hardrock, hardtalk, haslock, havelock, havelok, haycock, haydock, haystalk, headlock, headstock, heartlock, hedgecock, heimbach, heinbach, hemlock, hen hawk, herblock, hitchcock, hoolock, hot stock, hurok, iceblock, inlock, iraq, isaak, issaq, istock, izaak, jashawk, jaywalk, jazz-rock, john locke, joint-stock, jokkmokk, kalbach, kalok, karzok, kedlock, kidstock, kirk/spock, klopstock, korokke, kowalke, krautrock, kuujjuaq, laibach, landlock, laubach, laycock, leacock, leafstalk, leglock, leimbach, leinbach, lekach, leverock, lifelock, limbach, linstock, lintstock, lisptalk, listproc, livelock, livestock, lohoch, lohock, lovelock, luwack, m-lok, macaque, madlock, makeblock, mansbach, marbach, maroc, marschalk, marsh hawk, massbauch, matchlock, matlock, maybach, maycock, meacock, medoc, merauke, meshach, mindwalk, miwok, modok, mohawk, montauk, moonrock, moonwalk, mudrock, muehlebach, netrock, newshawk, niblock, night-hawk, nighthawk, nisroch, no-knock, norwalk, nurock, o'clock, oarlock, obrok, oclock, off-the-clock, orrach, outtalk, outwalk, padauk, padlock, paltalk, pandoc, pathak, peacock, peerblock, penock, penstock, petcock, pibroch, picklock, pinchcock, pitcock, plaintalk, playok, poptalk, pop rock, portlock, post-rock, postdoc, post hoc, protalk, psylocke, punk rock, putlock, qstock, racewalk, raroc, rayrock, rebstock, rendrock, restock, roadblock, rombach, roostcock, rootstalk, rootstock, ropewalk, round-the-clock, rowlock, sa-roc, sales talk, salzach, sandbach, sandrock, sash lock, sasl-yacc, scalp lock, schupbach, schwalbach, schwebach, seacock, seahawk, sealock, seebach, seedstock, seed stock, seelbach, self-talk, shacklock, shamrock, shedlock, sheepwalk, sheetrock, shellshock, shell shock, sherlock, sheshach, shiprock, shobach, shop talk, shylock, sidelock, sidewalk, sillcock, skirlcock, skyhawk, skywalk, slapshock, sleepwalk, slickrock, slutwalk, smalltalk, small talk, smock-frock, soap-rock, soaprock, sob rock, songkok, spacewalk, space walk, sparhawk, spatchcock, spinlock, spitchcock, spurlock, starhawk, staubach, steinbach, steinbock, stonerock, stopclock, stopcock, stormcock, street-walk, streetwalk, subhlok, sunblock, sweat sock, sweet-talk, sweet talk, synroc, synth-rock, t-loc, taglock, tailblock, tailstock, take stock, talaq, tanakh, taroc, tatlock, thricecock, timeclock, time clock, tipstock, tool-stock, toontalk, top-block, torgoch, traprock, trash-talk, turncock, twistlock, umbach, unblock, uncock, undock, unfrock, unlock, unstock, uptalk, uraqt, vanoc, wall clock, wall rock, warlock, warloeck, war hawk, wedlock, weighlock, weinbach, weinstock, weisbach, wenlock, westrock, wheellock, wheelock, wheel lock, whipstalk, whipstock, whitelock, whitlock, wind sock, winlock, witbrock, wittstock, woodblock, woodcock, woodlock, woodshock, woodstock, woolcock, woolstock, wristlock, xtalk, yeosock, yolk-stalk, young rock, zamrock

3 syllables:
afflerbach, aftershock, al-iraq, alarm clock, allensbach, amarok, angakok, angry walk, anti-lock, antiknock, antilock, antioch, antioche, appletalk, arawak, around-the-clock, avant-rock, babytalk, baby talk, beetlestock, bendlerblock, bienenstock, billycock, biorock, bioshock, birkenstock, bitcointalk, bitter dock, black hemlock, blues-rock, boocock, bretman rock, brevibloc, butcher-block, cam-in-block, castlerock, chickenhawk, chicken hawk, chicken stock, chock-a-block, chockablock, cincalok, cinderblock, cindytalk, cinemark, common stock, control stock, cooper's hawk, counterstock, cuckoo clock, dandy-cock, devilock, double-lock, double-talk, doubletalk, double talk, dousing-chock, drawing chalk, dualshock, eagle-hawk, eaglehawk, echohawk, eisenach, empty talk, epiroc, eriach, escape cock, ethertalk, eurovoc, everbach, fairy-lock, falkenbach, fensterstock, fetterlock, feuerbach, fighting cock, floating dock, flower stalk, four o'clock, gapingstock, gazingstock, gengenbach, geoloc, gondioc, gwenhwyfach, hadiach, haigerloch, hammerlock, hassebrock, hemiblock, hollerbach, hollyhock, honestok, hover-hawk, hypertalk, idle talk, ijiraq, incabloc, interlock, intershock, intertalk, inukjuak, john hancock, jungle cock, katzenbach, kazachok, ken shamrock, khabarnaak, kilmarnock, kittyhawk, lady's smock, ladyclock, ladyhawke, laughing-stock, laughingstock, letter stock, lever lock, little-rock, little rock, living rock, localtalk, ma'alefa'ak, mackinac, malcolm stock, mandioc, maniaque, manioc, maniok, marsaxlokk, matt hancock, max whitlock, maya hawke, minirock, mlotok, mockingstock, molly-mawk, mollymawk, monobloc, monotroch, movie4k, muschelkalk, nanoblock, nawaiwaqt, newyacc, nordwestblock, one ok rock, overclock, overlock, overstock, overtalk, overwalk, paddlecock, pandadoc, penny stock, peter falk, pigeon hawk, pillar-block, plymouth rock, pointingstock, poppycock, prairie dock, preferred stock, pulley-block, push-to-talk, qaqortoq, quarter stock, rackarock, reichenbach, roborock, rolling stock, rosenbach, rosenstock, round the clock, rudderstock, safety lock, sarah chalke, sassenach, school of rock, scotch woodcock, shepherd's clock, shinnecock, shite-hawk, shittlecock, shutterstock, shuttlecock, skeeter hawk, sondra locke, sour dock, sparrowhawk, sparrow hawk, sponsorblock, stab-lok, sterling bloc, stumbling-block, suckanhock, superblock, supertalk, swagelok, system clock, table talk, teletalk, teremok, tomahawk, turkey-cock, turkey cock, turret clock, underlock, understock, unisoc, vanscyoc, vapor-lock, vapor lock, voting stock, waffenrock, waterbok, watered stock, water clock, weathercock, weizenbock, widow's walk, wikiloc, window lock, winkle-hawk, winterhawk, yellow dock, zellerbach

4 syllables:
against the clock, allison stokke, ammonia clock, around the clock, asroc, asrock, athletic sock, atomic clock, authorized stock, azederach, basilicok, bel-merodach, bergisch-gladbach, boeing t-7 red hawk, bone tomahawk, capital stock, chaparral cock, christina haack, classified stock, cock-of-the-rock, cock of the rock, cylinder lock, douglas hemlock, eastern hemlock, electric clock, electric shock, electroshock, emery rock, floating dry dock, genesis rock, graham hancock, grandfather clock, hieromonach, igneous rock, ignition lock, insulin shock, jack-of-the-clock, kakaotalk, karun chandhok, lesser hemlock, maraviroc, marianne koch, marita koch, monchengladbach, mosquito hawk, mountain hemlock, munchen-gladbach, noah baumbach, nortonlifelock, nunsexmonkrock, obstructive shock, out-of-wedlock, out of wedlock, pendulum clock, plutonic rock, poison hemlock, reacquired stock, spotted hemlock, sweet four o'clock, treasury stock, unlisted stock, varsity sock, villeneuve-d'ascq, vincent hancock, virginian stock, virginia stock, volcanic rock, water hemlock, water shamrock, western hemlock, west coast hemlock, wild hollyhock

5 syllables:
12-hour clock, 12 'o' clock, 24-hour clock, anderson .paak, combination lock, concurrentsmalltalk, desert four o'clock, distributive shock, electrical shock, eurasian woodcock, evil-merodach, kangiqsualujjuaq, lockheed f-117 nighthawk, mercedes-maybach, metamorphic rock, mountain four o'clock, mountain hollyhock, pacific hemlock, podvorotnichok, porphyritic rock, trailing four o'clock, wahunsonacock

6 syllables:
american woodcock, biological clock, canadian hemlock, capital of iraq, carolina hemlock, curtiss p-40 warhawk, douglas a-4 skyhawk, johann sebastian bach, over the counter stock, record of ragnarok, saxe-weimar-eisenach, sedimentary rock, spotted water hemlock

7 syllables:
california four o'clock, colorado four o'clock, sikorsky sh-60 seahawk

8 syllables:
2003 invasion of iraq, sikorsky uh-60 black hawk