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