1 syllable:
aaass, aase, blas, bloss, boiss, bos, boss, boss', bosse, bras, bross, cauce, clauss, clos, closs, cos, coss, cosse, cros, cross, cross-, crosse, daas, dazs, dos, doss, dross, fause, fauss, fausse, floss, flosse, foss, fosse, fross, glauce, gloss, gloss-, glosse, goss, gosse, grosse, haas, haase, haass, hahs, hasse, hnoss, hoss, jboss, joss, josse, kaas, kjos, klaas, klos, kloss, knauss, knous, kos, koss, kosse, krause, krausse, kross, las, loss, maass, mauss, mohs, mos, mosse, motss, nauss, noss, os, oss, pdd nos, phos-, ploss, pos, poss, pross, quass, rnaase, ros, ross, ross', rosse, sauce, schloss, sloss, soss, spross, stauss, stoss, swass, toss, tosse, tross, vause, vohs, vos, voss, vyas, wasce, wass, yoss, zoss

2 syllables:
abbas, acoss, across, alsace, amboss, ammas, amoss, atroce, back-cross, backcross, ben cross, beschloss, beschloss', betoss, bigg boss, bombas, bonasse, bread sauce, brown sauce, bugloss, caguas, cedras, cedras', chandross, chavous, cheese sauce, chiasse, christcross, club-moss, clubmoss, coloss, colosse, cream sauce, criss-cross, crisscross, culross, cup-moss, danfoss, deboss, demoss, devoss, disoss, ditchmoss, dobcross, duck sauce, ecosse, emboss, endoss, erdgeschoss, feroce, fudge sauce, girlboss, gotaas, greek cross, hamas, hamas', hammas, hammas', hard sauce, hooplas, hot-cross, hot sauce, iapss, imboss, incross, kiryas, koloss, kosmas, kutauss, la-crosse, lacoss, lacross, lacrosse, lafosse, la crosse, lip-gloss, lipgloss, loanloss, macross, mint sauce, molosse, nahuas, oakmoss, otpotss, outcross, pangloss, pataas, patasse, peach sauce, plum sauce, recross, red cross, retoss, rick ross, ringtoss, rubasse, shallcross, shavous, shawcross, shrimp sauce, sinterklaas, soysauce, soy sauce, spectros, spikemoss, starcross, steak sauce, stop-loss, straw boss, terrasse, test-cross, testcross, tomas, trail boss, twycross, uncross, vandross, vanoss, veloce, vsauce, warcross, waycross, white sauce, wine sauce

3 syllables:
adin ross, albatross, applecross, applesauce, apple sauce, april ross, arkansass, aruldoss, at a loss, auchincloss, autocross, barabbas, betsy ross, candyass, candyfloss, caper sauce, celtic cross, chihuahuas, chili sauce, chocolate sauce, cocktail sauce, come across, contrebasse, curry sauce, cut across, cyclo-cross, cyclocross, demitasse, dental floss, desmond doss, double-cross, doublecross, double cross, fairyfloss, floating-moss, garlic sauce, genus bos, get across, go across, hearing loss, helios, holycross, hugo boss, hunter's sauce, intercross, isogloss, karakos, katharine ross, kephalos, kyla ross, ladislaus, latin cross, lazyass, leineschloss, look across, lorraine cross, maltese cross, market cross, motocross, mushroom sauce, mustard sauce, navy cross, neuromas, newburg sauce, northern cross, omahas, omphalos, papal cross, paraguas, party boss, pass across, pasta sauce, pepper sauce, phelios, piraguas, pitch-and-toss, polocrosse, precognosce, put across, rallycross, randolph ross, recognosce, run across, sarah knauss, seafood sauce, semi-gloss, semigloss, single-cross, sint-niklaas, southern cross, srinivas, stanislaus, stelios, stonetoss, supercross, taco sauce, tartar sauce, underboss, virtuos, wenceslaus

4 syllables:
abul-abbas, anchovy sauce, apricot sauce, atticus ross, barbecue sauce, bourguignon sauce, brown onion sauce, bucephalos, burgundy sauce, calvary cross, capital loss, carrickmacross, charity toss, chinese brown sauce, cirsomphalos, cranberry sauce, encephalos, exomphalos, financial loss, helluva boss, horseradish sauce, insane clown posse, lyonnaise sauce, marion ross, memory loss, mushroom win sauce, paprika sauce, profit and loss, put one across, sign of the cross, spaghetti sauce, tabasco sauce, tomato sauce, white onion sauce

5 syllables:
betsy griscom ross, hungarian sauce, jerusalem cross, low st andrew's cross, patriarchal cross, political boss, stations of the cross, tracee ellis ross, tyler winklevoss, victoria cross

6 syllables:
cameron winklevoss, conductive hearing loss, distinguished flying cross, distinguished service cross, murder of polly klaas, wandering albatross

7 syllables:
bolognese pasta sauce

1 syllable:
thoughts

5 syllables:
in everyone's thoughts