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