Pimental rhymes with:
experimental, simental, unsentimental, compartmental, detrimental, developmental, elemental, environmental, experimental, fundamental, incremental, instrumental, intergovernmental, judgemental, judgmental, mental, monumental, nongovernmental, ornamental, regimental, sentimental, simental, supplemental, temperamental, unsentimental
Pimental sounds like:
panhandle, pantaleo, pantel, pantle, pendell, pendley, pendola, pendyala, pentothal, pimentel, pindell, pointedly, pontillo, ponytail