Here's what rhymes with cholesteryl.

Consider these alternatives

fistulae / they benzoate / state siderite / might sulfamethoxazole / whole selenate / late acrylate / late glucuronide / side cyanate / late microcrystalline / line persulfate / sulfate lactulose / close resorcinol / small maleate / faleate polysaccharide / side sulfonate / late benzyl / will trimethoprim / him estrone / testimony pantothenate / late niobate / metaniobate