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