1 syllable:
ahs, baas, baus, blahs, brause, broz, cars, cause, chaas, chas, chaws, chazz, claas, claus, claus', clause, claws, coz, cozze, craws, cs aas, daus, dawes, daws, dma's, draus, draws, droz, faas, faus, flaws, fraas, fraus, gaus, gause, gauze, gaz, glaus, gnaws, haughs, hawes, haws, hawse, jaws, kaus, knaus, knyaz, laas, lause, law's, lawes, laws, llwas, lt gaas, maahs, maas, mas, maus, maz, mroz, naas, naus, oz, pas, pause, paws, paz, plaas, praus, prause, roz, saus, sause, saws, schnozz, schwas, shah's, shahs, shaw's, shaws, sias, spas, squabs, staas, straws, tawes, tawse, thaws, vase, waas, wah's, was, waugh's

2 syllables:
achaz, afwas, agelaus, ahsas, ahwaz, aitraaz, aldas, andaaz, anzaas, applaus, applause, aspas, audas, backsaws, bandsaws, bashaws, because, bedmas, bedstraws, belaz, bindaas, bourgeoise, bradshaws, by-laws, bylaws, capaz, caspase, catspaws, cefas, cervoise, cha-chas, chainsaws, choctaws, coultas, crab-yaws, d'etats, dagaz, danaus, degras, deras, dewclaws, diapause, diaz, dupras, duraz, fassbrause, faux pas, fawaz, firdaus, first cause, forepaws, fortaz, francoise, fretsaws, galaz, gauloise, geegaws, genoise, ghettoise, grandma's, grandmas, grandpa's, grandpas, guffaws, ha-has, hacksaws, hamraaz, handsaws, helaas, heraus, he was, hinaus, humraaz, hurrahs, ijaz, in-laws, inlaws, it was, i was, jackdaws, jackstraws, jigsaws, kavkaz, kickshaws, laidlaw's, lapras, la paz, limbaugh's, lipas, loblaws, macaws, manaus, mccaw's, meraas, mieras, morgause, mukhwas, mydaus, namaz, naoise, ocaw's, okaz, outlaws, outlawz, outnoise, owlclaws, pachas, papa's, papas, perlesvaus, pilaus, poitras, pontoise, portlaoise, precoz, quichuas, rajaz, redraws, renoise, rickshaws, ripsaws, scofflaws, scrimshaws, seesaws, shiraz, southpaws, tawas, that was, tiswas, tovaz, tripas, val-d'oise, vishwas, vlakplaas, warsaw's, warsaws, waxhaws, what was, whipsaws, withdraws

3 syllables:
accessoires, achimaas, aeropause, anaspaz, andropause, archelaus, arkansas', arkansas's, ashkenaz, catalpas, chaturmas, chickasaws, childermas, chippewas, chrishell stause, debevoise, ecowas, eficaz, erilaz, escritoires, fritessaus, hima das, interpause, kadrmas, keeley hawes, mackinaws, madrasahs, menelaus, menopause, mesopause, mete gazoz, muslimgauze, naajayaz, nikolaas, omaha's, ottawas, overawes, overdraws, overnoise, panama's, panamas, pesewas, pussy-paws, repertoires, santa claus, self-applause, shanawas, speculaas, tijeras, tropopause, vichyssoise, wichita's, williwaws

4 syllables:
agesilaus, arcesilaus, aspidistras, auvers-sur-oise, beaumont-sur-oise, cergy-pontoise, conservatoires, de morgan's laws, doctor of laws, dominique dawes, grandfather clause, heliopause, ionopause, joppiesaus, laboratoires, magnetopause, master of laws, mutafukaz, pipsissewas, postmenopause, premenopause, probable cause, protesilaus, relative clause, seine-et-oise, tolochenaz, vladikavkaz

5 syllables:
arbitration clause, bachelor of laws, enabling clause, kirchhoff's circuit laws, perimenopause

8 syllables:
equal protection of the laws

3 syllables:
catalogs, catalogues