Here's what rhymes with polyketide.

Consider these alternatives

synthase / face hydrolyzing / rising terpene / certain biosynthesis / biosynlhesis cyclopropane / propane polysaccharide / side cuticular / particular terpenoid / avoid catabolism / given stereoselective / effective disaccharide / side hydrazone / shown topoisomerase / days purine / seen purines / means prostaglandin / standing carnitine / been polyamine / nine ethylenediamine / nine sphingomyelin / myelin