Adoption rhymes with:
option, absorption, anticorruption, assumption, caption, conception, conniption, conscription, consumption, contraception, contraption, corruption, deception, description, disruption, egyptian, emption, encryption, eruption, exception, exemption, gumption, inception, inscription, interception, interruption, misconception, misperception, nonprescription, option, overconsumption, perception, preconception, preemption, prescription, presumption, proscription, reception, redemption, resumption, self-deception, subscription, transcription