Here's what rhymes with monophosphate.

Consider these alternatives

adenosine / seen triphosphate / phosphate guanosine / seen inosine / seen phosphodiesterase / case uridine / seen cytidine / line diphosphate / phosphate thymidine / seen pyridine / line thiamine / nine nucleoside / side purine / seen cyclase / case ribulose / close adenylate / late phosphorylated / related pyrophosphate / phosphate pyrimidine / seen bisphosphate / phosphate glycerol / whole retinol / small imine / mean phosphatidylinositol / people quinoline / line tyramine / nine