Action's rhymes with:
abstractions, actions, attractions, classactions, contractions, distractions, exactions, extractions, factions, fractions, infractions, interactions, reactions, satisfactions, transaction's, transactions
Action's sounds like:
academic, academics, academies, academy's, acceding, accosting, accusations, acquisition's, acquisitions, acquitting, acting, actinomycosis, actions, acuteness, agitating, ashton's, assistance, assisting, associating, association's, associations, astonish, astuteness, auction's, auctioning, auctions, augustinians, augustyniak, austen's, austin's