1 syllable:
arc, ark, barch, bark, barke, barque, bjarke, charc, chark, clark, clarke, d-mark, dark, darke, dmarc, flark, glark, harc, harch, hark, harke, karch, lark, larke, lharc, marc, mark, marke, marque, merc, narc, narch, parc, park, parke, parque, pparc, quark, saarc, sark, sharc, slark, smarc, snark, sparc, spark, sparke, squark, starc, starck, stark, starke, yarke

2 syllables:
#hash-mark, 3dmark, 6park, aard-vark, aardvarc, aardvark, agmark, airpark, altmark, amarc, anarch, ardvark, asarc, avmark, ballpark, baumstark, belarc, bench-mark, benchmark, bevmark, birthmark, bismarck, bismark, bomarc, boschvark, boshvark, brandmark, briefmarke, brownmark, calmark, car-park, caremark, carpark, catshark, cellmark, checkmark, chempark, chilmark, commark, crossmark, danmark, date-mark, datemark, daymark, demarc, demark, denmark, deutschemark, deutschmark, disbark, dispark, duparc, earmark, embarc, embark, empark, enarch, endark, esmark, ethnarch, fatah-rc, fatshark, finmark, finnmark, footmark, forearc, frog-march, frogmarch, furmark, futharc, gameshark, genarch, goldmark, graustark, gymshark, hall-mark, hallmark, hashmark, hedmark, hierarch, highmark, hoof-mark, hoofmark, hydrarch, igarch, imbark, impark, indarc, kitemark, konark, lamarck, lamark, lamarque, lanark, landmark, landshark, lexmark, lightspark, lindmark, loanshark, lovemark, lugmark, lundmark, man-mark, mid-march, mintmark, mismark, monarc, monarch, moorpark, mudlark, musarc, neumark, newmark, numark, oakmark, ostmark, outmarch, ozark, pathmark, pentarch, petrarch, phylarch, pitch-dark, pockmark, poldark, poshmark, postmark, premark, pressmark, pugmark, ramark, raymark, re-mark, reichsmark, remark, remarque, sanmark, sawshark, seamark, sigarch, simpark, sitzmark, skatepark, skidmark, skylark, southmark, squirarch, stelarc, stenmark, stylemark, surfshark, surmark, swanmark, tetrarch, tidemark, titlark, toparch, torchmark, touchmark, trade-mark, trademark, transarc, transmark, transpark, treyarch, triarc, triarch, trustarc, twitlark, unmark, uppark, usarc, waymark, westmarc, westmark, wireshark, woodlark, wordmark, zoopark

3 syllables:
?question-mark, angelshark, angle-park, antiquark, aramark, assay-mark, baresark, bizaardvark, chiliarch, countermark, cyberark, danemark, digimarc, dinoshark, disembark, disimpark, dodecarch, double-park, durgin-park, ecomark, ectosarc, eirenarch, endosarc, equimark, fingermark, futuremark, geopark, grooveshark, hansa-park, hersheypark, hexaquark, housemarque, hundertmark, intermark, interpark, irenarch, kybunpark, leptoquark, magpie-lark, mandriarch, matriarch, mauerpark, meadowlark, metalmark, middlemarch, minipark, myriarch, oligarch, patriarch, pentaquark, perisarc, question-mark, reimbark, semidark, servicemark, spreepark, steiermark, taxiarch, telemark, tetraquark, uckermark, underdark, unimarc, usmarc, vandemark, vandermark, vondelpark, watermark, waterpark, westermarck, wondermark, xerarch

4 syllables:
bbsrc, borussia-park, cimeliarch, coenosarc, crystaldiskmark, ecclesiarch, europa-park, glow-in-the-dark, gymnasiarch, heresiarch, kimberly-clark, malkastenpark, mediamark, mysteriarch, parallel-park, symposiarch, vanderbijlpark

1 syllable:
perk, lurk, fork, dirk, pork, burke, york, shirk, jerk, turk, torque, stork, murk, irk, kirk, quirk, smirk, cork, cirque, stirk, clerk, work, chirk, bork, dork, klerk, merck

2 syllables:
berserk, rework, uncork

3 syllables:
overwork, salesclerk