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