Fucking rhymes with:
bucking, chucking, clucking, ducking, lucking, mucking, plucking, shucking, sucking, trucking, tucking
Fucking sounds like:
facing, facings, faking, fasching, fashion's, fashioning, fashions, fausnaugh, faxing, feagans, feagins, feigning, figgins, fijians, fishing, fisons, fixing, fixings, focusing, fosamax, fosnaugh, foxman's, fujisankei, fukunaga, fusing, fussing