Here's what rhymes with decaffeinate.
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made maid laid page paid shape wage rage shade tape cage gauge rape weighed bade fade forbade raid sage surveyed unpaid arrayed babe cape gage jade wade stage trade played afraid grade engage stayed blade conveyed prayed grape invade obeyed parade cascade decayed evade scrape spade sprayed swayed arcade braid frayed grenade homemade overlaid pervade sh staid strayed decade escape delayed brigade persuade blockade dismayed repaid upgrade barricade lemonade masquerade outweighed promenade stockade displayed betrayed crusade degrade disobeyed dissuade renegade portrayed videotape retrograde based faced shaped taste waste faint paint haste saint waist baked chased paste chaste laced paced raced raped taint raked taped placed traced quaint spaced acquaint braced draped erased scraped debased effaced encased graced staked complaint escaped embraced vouchsafed replaced constraint displaced restraint disgraced distaste misplaced