Here's what rhymes with pyrophosphate.

Consider these alternatives

diphosphate / phosphate thiamine / nine triphosphate / phosphate synthase / face monohydrate / hydrate mevalonate / late lactone / backbone adenylate / late diacylglycerol / whole inositol / people diamine / nine isomerase / days dihydrate / hydrate thiocyanate / late biosynthesis / biosynlhesis benzaldehyde / side cyclase / case thiosulfate / sulfate monophosphate / phosphate acetic / magnetic acetate / state ascorbic / aortic silicide / side decarboxylation / relation transferase / case diazonium / chromium disaccharide / side adenosine / seen pantothenate / late guanosine / seen