Here's what rhymes with usingly.
musingly amusingly accusingly confusingly Words that almost rhyme with usingly
soothingly movingly approvingly reprovingly disapprovingly musically broodingly foolishly brutishly ghoulishly prudishly nudity allusively elusively rebukingly reputedly acoustically effusively abusively delusively unassumingly doohickey impunity gratuity fatuity inclusively obtrusively intrusively exclusively conclusively incongruity incredulity perpetuity unobtrusively discontinuity