Here's what rhymes with collisionally.
provisionally Words that almost rhyme with collisionally
additionally conditionally medicinally traditionally nutritionally unconditionally transitionally prepositionally originally criminally digitally fictionally satirically difficulty diligently militancy reciprocally mischievously articulately frivolously inimitably solicitously vigilantly virulently spiritedly articulacy legitimacy legitimately meticulously ridiculously episcopacy cryptography misanthropy difficultly equivocally felicitously chivalrously unequivocally illegitimacy illegitimately inarticulately inarticulacy indiscriminately magnificently equivalency