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