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