Action rhymes with:
abstraction, attraction, classaction, contraction, diffraction, dissatisfaction, distraction, exaction, extraction, faction, fraction, inaction, infraction, interaction, liquefaction, reaction, retraction, satisfaction, subtraction, telaction, traction, transaction
Action sounds like:
academe, academia, academy, accusation, accustom, accutane, acetone, acquisition, acquitaine, actin, actodine, acton, agitation, agostini, agostino, agustin, akkadian, aquitaine, ashdown, ashton, assocation, association, asthma, astin, aston, auction, augustin, augustine, augustinian, augustyn, austen, austin, austine, auston, auxton, axtman, axton, azactam