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