Fusing rhymes with:
confusing, defusing, diffusing, infusing, refusing, suffusing, abusing, accusing, amusing, confusing, defusing, diffusing, excusing, infusing, misusing, musing, overusing, recusing, refusing, reusing, suffusing, using
Fusing 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, fucking, fujisankei, fukunaga, fussing