Here's what rhymes with octadecenoate.
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made laid page paid shape wage rage shade tape cage gauge maid rape weighed bade fade obeyed raid sage unpaid arrayed babe cape gage jade wade stage trade played afraid grade engage stayed blade conveyed prayed forbade grape invade parade surveyed evade spade swayed arcade braid frayed homemade sh staid decade escape delayed displayed persuade cascade decayed dismayed repaid scrape sprayed upgrade disobeyed dissuade outweighed overlaid pervade stockade strayed betrayed brigade portrayed blockade crusade degrade barricade grenade lemonade masquerade renegade videotape promenade 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 effaced encased graced staked complaint escaped displaced embraced disgraced distaste scraped debased vouchsafed replaced constraint restraint misplaced