Defusing rhymes with:
diffusing, diffusing, confusing, diffusing, fusing, infusing, refusing, suffusing, abusing, accusing, amusing, confusing, diffusing, excusing, fusing, infusing, misusing, musing, overusing, recusing, refusing, reusing, suffusing, using
Defusing sounds like:
debasing, debugging, defacing, defeasance, deficiencies, deficiency, devising, diffusing, division's, divisions, divisions', dobkins, dobson's, dobsons