Here's what rhymes with macroaction.
reaction faction fraction traction inaction redaction attraction refraction retraction compaction exaction impaction protraction malefaction interaction transaction abstraction contraction extraction diffraction infraction rarefaction counteraction detraction overreaction satisfaction distraction subtraction liquefaction benefaction stupefaction petrifaction vitrifaction putrefaction dissatisfaction Words that almost rhyme with macroaction
taxon waxen maxim flaxen klaxon fashion passion sanction mansion ration caption lation tation happen captain hadn barren cabin cannon canon famine wagon chaplain gallon salmon baron canyon fasten satin bastion canton falcon haben prolactin saffron blacken bracken dampen fatten hangman jasmine latin madmen slacken adaption banyan batten mammon refashion sadden scansion talon gammon madden badman badmen taxman gasman taxmen expansion imagine abandon compassion dragon assassin plankton stallion flatten plantain capstan chanson flagon gladden handgun platen batsman gravamen scallion triathlon damson trashcan flashgun raglan refasten sandmen companion grandson battalion medallion zooplankton clansmen contraption dispassion landsman unfasten clansman bandsman gyrfalcon craftsman draftsman draughtsman reexamine draftsmen diapason pentathlon upperclassman rapscallion phytoplankton underclassman