Here's what rhymes with promethean.
seen scene heen cn sheen feen hsien mean machine gene keen lean bean bien dean eine lien serene unseen teen mien beene bein keine mein peine wean chine ween jean peen ursine green clean screen eighteen marine queen thirteen saline spleen caffeine obscene ravine unclean amine casein convene cosine tween agin glean limousine xylene preen careen sateen umpteen subteen fifteen fourteen magazine routine nineteen foreseen intervene vaccine adenosine benzene ethylene unforeseen alanine ancien aniline canteen cesarean cuisine hyaline methylene olivine codeine hetween latrine rapine riverine aquiline demean mezzanine onscreen overseen sardine scalene baleen caesarean neoprene reconvene preteen beguine colleen grenadine gamine vitrine between sixteen gasoline submarine evergreen kerosene nicotine adenine gelatine clonidine creatine cytosine figurine libertine naphthalene oncogene propylene purine pyrimidine quinidine theophylline thymidine sunscreen supervene tambourine tourmaline ultramarine cocain gasolene melamine mescaline peregrine tangerine trampoline tureen wolverine woodbine aubergine sibylline astatine praline houseclean seventeen histamine quarantine acetylene amphetamine carotene glutamine guillotine histidine internecine brigantine contravene philistine windscreen aquamarine mujahideen velveteen euclidean gabardine nectarine antipodean brilliantine calcimine touchscreen polyethylene subroutine chlorpromazine wintergreen silkscreen phenylalanine cyclosporine antisubmarine incarnadine catecholamine polypropylene oxyacetylene Words that almost rhyme with promethean
seem cm theme seam feem haem scheme steam team beam deem diem leam ream teem beseem dream regime stream cream esteem passim gleam scream bream creme abeam inseam supreme redeem systeme agleam extreme upstream academe crossbeam downstream disesteem selfesteem slipstream