Here's what rhymes with mononitrogen.
bludgeon androgen dudgeon Words that almost rhyme with mononitrogen
sudden button mutton globin glutton piton nubbin dubbin exciton escutcheon erratum scutcheon unbutton bellybutton yeomen roughen cousin dozen drunken summon dungeon luncheon sullen fuckin muffin coven toughen lumpen kuchen someone eruption suction percussion sultan sunken muslin perdition shrunken irruption gulden gunman bunion mullion caparison decagon grunion biathlon function production construction discussion destruction instruction reduction corruption induction deduction junction obstruction disruption interruption abduction emulsion repulsion seduction tungsten propulsion revulsion avulsion impulsion gumption dustpan scullion dustman assumption introduction combustion conduction presumption compulsion expulsion injunction resumption concussion huntsman subduction repercussion liposuction ragamuffin stuntman conjunction reconstruction reproduction dysfunction convulsion deconstruction disjunction malfunction transduction compunction semicolon misconstruction underproduction consumption overproduction reintroduction