Here's what rhymes with labourous.
glamourous Words that almost rhyme with labourous
lulus clueless hulas truelove scrofulous hallelujahs chukkas lupus newness toothless blueness bootless tuneups houmous houmus units useless mucous mucus nuisance prudence ruthless coolness eunuchs humus rudeness hubris tulips tumults lewdness moonless roofless rootless caduceus juleps ulnas bouffants students fruitless pursuance cubits shrewdness smoothness aloofness fluence astuteness avoirdupois crudeness obtuseness muteness truants cuteness duellists humourless intuits mullets gullets glumness sublets spruceness cutups movements foodstuffs mutants pollutants acuteness imprudence impudence congruous diffuseness annuitants coolants hirsuteness manumits inducements absoluteness dissoluteness resoluteness canoeists abstruseness profuseness improvements jurisprudence amusements persecutions disputants exiguous quadruplets translucence irresoluteness