Here's what rhymes with monocrotaline.
line align aline fine nine sign mine wine assign pine shine shrine thine dine sine vine brine sein tine whine affine malign waterline zine design divine decline define benign crystalline spine iodine resign borderline refine supine swine twine underline proline opine realign stein interline alkaline confine dopamine undermine incline atropine palatine pyridine redefine redesign thiamine centerline consign thymine enshrine recline asinine crinoline reassign superfine timberline noncrystalline cosign endocrine turpentine cysteine serpentine exocrine hyperfine lacustrine saccharine anodyne anticline recombine byzantine calamine entwine intertwine clementine reconsign epinephrine concubine imipramine monoamine neuroendocrine polycrystalline porcupine columbine valentine eglantine celandine disincline norepinephrine tetracycline Words that almost rhyme with monocrotaline
lime rhyme rime time crime prime climb clime dime hym slime beim chime grime heing mime thyme chyme sublime overtime birdlime anteing begrime paradigm onetime dinnertime suppertime sauteing maritime anytime pantomime lysozyme summertime wintertime mistime mesenchyme flexitime environ