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