1 syllable:
bill's, billes, bills, bills', brill's, brills, chills, cills, dills, dils, dmils, drills, fills, frills, gill's, gills, grilles, grills, grillz, hill's, hills, hills', ills, jills, mill's, mills, mills', mils, milz, nils, phil's, pill's, pills, pilz, prills, quills, rill's, rills, schilz, shills, shrills, sills, skills, spill's, spills, squills, stills, stils, swills, thills, thrills, tills, trills, twills, ville's, vills, wil's, will's, wills, zills

2 syllables:
advil's, anthills, backfills, bear grylls, black hills, bluebills, bluegills, boatbills, brazil's, brazils, broadbills, bushmills, calills, carville's, catskills, chyskillz, cranesbills, crossbills, deville's, distills, distils, downhills, duckbills, dunghills, foothills, freshkills, fulfills, fulfils, gristmills, handbills, hawkbill's, hawksbills, hornbills, instills, instils, landfills, macdill's, molehills, nashville's, no-frills, nofrills, play-n-skillz, pontils, refills, sandhills, sawmills, shoebills, spoonbills, storksbills, t-bills, tamils, thornbills, treadmills, twibills, uphills, wade-giles, waxbills, waybills, windmills, worldskills

3 syllables:
atompilz, basophils, berkshire hills, bidonvilles, bonnevilles, daffodils, emuil's, hannah mills, hoovervilles, intervilles, jacksonville's, lindsay mills, megaphylls, microphylls, minimills, morrisville's, neutrophils, overbills, overfills, overkills, patty mills, razorbills, rototilles, stephen stills, thermophils, watermills, whippoorwills, windowsills, zephyrhills

4 syllables:
acidophils, aldridge-brownhills, beverly hills, trailing windmills

5 syllables:
eosinophils

7 syllables:
the hound of the baskervilles