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