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