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