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