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