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