1 syllable:
aynes, bain's, baines, bains, banes, baynes, blains, blanes, brain's, brains, branes, cain's, caines, cains, canes, chain's, chains, chains', chenes, crain's, crane's, cranes, daines, dains, dane's, danes, deigns, drains, fains, fanes, feigns, fein's, gaines, gains, ganes, graines, grains, haines, hains, hanes, haynes, jains, jane's, janes, jaynes, kainz, kane's, kanes, keynes, lains, lane's, lanes, llanes, maine's, maines, mains, mainz, manes, maynes, nhanes, pains, panes, phanes, plaines, plains, plane's, planes, planes', raines, rains, ranes, raynes, reigns, reines, reins, sains, sainz, skains, skeins, spain's, sprains, staines, stains, strains, swains, tains, thanes, train's, trains, trainz, twain's, twains, vanes, veins, wains, wanes, wayne's, waynes, yanes

2 syllables:
abstains, agains, akranes, alkanes, all-mains, arraigns, attains, bahrain's, bahrains, baisemains, batanes, betaines, biplanes, birdbrains, bloodstains, boranes, bugbanes, butanes, cabranes, caifanes, calpains, camenes, campaign's, campaigns, champagnes, champaigns, chicanes, cobain's, cocaines, complains, constrains, contains, cowbanes, coxswains, cremains, deplanes, detains, detrains, disdains, distrains, dogbanes, domains, douanes, duquesne's, elaine's, enchains, enplanes, entrains, estranes, explains, fleabanes, floatplanes, floodplains, forebrains, germain's, great plains, grosgrains, henbanes, heptanes, hernanes, hindbrains, hussein's, ingrains, in chains, jetbrains, jordaens, jordanes, lamebrains, leganes, maclean's, maintains, mccain's, mclean's, mcmains, midbrains, migraines, moraines, neuvaines, obtains, ordains, outgains, pavanes, pentanes, pertains, powertrains, pregnanes, profanes, prytanes, purslanes, quatrains, quintains, refrains, regains, remains, restrains, retains, retrains, romains, rowaine's, sailplanes, sarbanes, scalenes, seaplanes, silanes, snow chains, soutanes, sustains, take pains, taxanes, terrains, terranes, tigranes, tisanes, triplanes, tziganes, ukraine's, vervains, vileyns, villeins, warplanes, wolfsbanes

3 syllables:
aeroplanes, afterpains, aix-les-bains, appertains, aquaplanes, arellanes, aron baynes, ascertains, be at pains, carboranes, carlos sainz, catenanes, chatelaines, chevrotains, cholestanes, codomains, colton haynes, counterpanes, counterstains, cycloalkanes, digne-les-bains, entertains, guinea grains, gyroplanes, hippomanes, hurricane, hurricane's, hurricanes, hydroplanes, kallikreins, konecranes, labor pains, labour pains, lumberjanes, magallanes, messiaen's, monoplanes, musicbrainz, overstrains, overtrains, paravanes, phosphoranes, preordains, roman reigns, rowdy gaines, santillanes, scatterbrains, scotoplanes, simpleplanes, souterrains, suzerains, tahapanes, theophanes, tire chains, trichomanes, urethanes, weathervanes, windowpanes, xenophanes, zatarain's

4 syllables:
alice in chains, balletomanes, catanduanes, cyclopropanes, demimondaines, elecampanes, foreordains, john maynard keynes, nicolaitanes, thonon-les-bains, ultramontanes

5 syllables:
buckminsterfullerenes, evian-les-bains, polyurethanes, trihalomethanes, yverdon-les-bains

6 syllables:
arromanches-les-bains

7 syllables:
boeing commercial airplanes

8 syllables:
archeological remains