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