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