Fosamax rhymes with:
miramax, affymax, climax, imax, imax', lomax, miramax, officemax, qmax, tarmacs
Fosamax sounds like:
facing, facings, faking, fasching, fashion's, fashioning, fashions, fausnaugh, faxing, feagans, feagins, feigning, figgins, fijians, fishing, fisons, fixing, fixings, focusing, fosnaugh, foxman's, fucking, fujisankei, fukunaga, fusing, fussing