1 syllable:
aarts, art's, arts, artz, bart's, barts, bartz, cartes, carts, charts, dart's, darts, dartz, farts, hart's, hartes, harts, hartz, heart's, hearts, heart ss, kartes, karts, larts, mart's, marts, martz, part's, partes, parts, parts', sarts, scarts, schartz, smarts, spartz, starts, tarts

2 syllables:
beaux-arts, beaux arts, blackhearts, bogarts, braggarts, bravehearts, calarts, calmart's, castparts, cathartes, codarts, departs, descartes's, dogcarts, dustcarts, e-arts, eckardt's, fine arts, flowcharts, foreparts, foumarts, gephardt's, go-carts, go-karts, greenhearts, handcarts, headstarts, highcharts, imparts, jump-starts, jumpstarts, k-mart's, kick-starts, kmart's, mouthparts, outsmarts, oxcarts, pop-tarts, pushcarts, ramparts, redstarts, restarts, robarts, sweetarts, sweethearts, upstarts, walmart's

3 syllables:
ace of hearts, autoparts, bonaparte's, bonapartes, counterparts, cuisinarts, kingdom hearts, lonely-hearts, lonelyhearts, lucasarts, monsterhearts, plastic hearts, private parts, underparts

4 syllables:
by fits and starts, doctor of arts, liberal arts, master of arts

5 syllables:
bachelor of arts, doctor of fine arts, list of martial arts, master of fine arts, rouen-les-essarts, we are lady parts

6 syllables:
associate in arts, bachelor of fine arts, integration by parts

7 syllables:
doctor of musical arts

1 syllable:
hoarse, source, parse, shorts, horse, quartz, ports, terce, nurse, fierce, hertz, gorse, peirce, curse, bourse, sparse, hearse, purse, sports, scarce, pierce, tierce, corse, terse, farce, coarse, force, verse, sorts, cortes, arse, courts, worse, course, morse, norse, court's, fourths, hurts, kurtz, schwartz, shirts, shortz, skirts

2 syllables:
rehearse, sea horse, of course, point source, diverse, antrorse, disperse, endorse, white horse, dark horse, imports, work force, obverse, weak force, reports, task force, transverse, coerce, retrorse, scrub nurse, reverse, golf course, wheel horse, sales force, free verse, perverse, disburse, post horse, strong force, sea purse, wet nurse, indorse, amerce, in force, divorce, converse, unhorse, asperse, blank verse, dry nurse, old norse, immerse, rose quartz, inverse, enforce, main course, traverse, adverse, shire horse, remorse, averse, ahorse, cart horse, change course, charles peirce, coach horse, concerts, converts, cutpurse, dawn horse, dextrorse, draft horse, draught horse, dray horse, dry-nurse, farm horse, get worse, gift horse, head nurse, light source, long horse, male horse, plow horse, pole horse, race horse, resorts, side horse, stick horse, supports, trained nurse, transports, wet-nurse, wild horse, zairese

3 syllables:
vital force, trojan horse, intersperse, reinforce, harness horse, labor force, reimburse, pommel horse, saddle horse, vaulting horse, nonsense verse, smoky quartz, privy purse, in due course, shepherd's purse, line of force, police force, quarter horse, franklin pierce, iron horse, tour de force, rocking horse, river horse, change of course, color force, driving force, female horse, field of force, flying horse, heinrich hertz, hernan cortes, jockey shorts, kilohertz, line of verse, millionairess, moral force, proto-norse, reenforce, riding horse, sea of cortes, student nurse, towel horse, trotting horse, walking horse, with full force, wooden horse

4 syllables:
practical nurse, matter of course, graduate nurse, bermuda shorts, heroic verse, registered nurse, refresher course, radio source, visiting nurse, attractive force, cavalry horse, charles franklin peirce, doggerel verse, extension course, hernando cortes, jamaica shorts, magnetic force, repulsive force, retarding force, royal air force, transparent quartz

5 syllables:
correspondence course, centrifugal force, heinrich rudolph hertz, military force, security force

6 syllables:
gravitational force, licensed practical nurse, tennessee walking horse, magnetic line of force, orientation course, plantation walking horse, reconnaissance in force, ultraviolet source

7 syllables:
american saddle horse, electrical line of force, private security force