Rental rhymes with:
accidental, coincidental, compartmental, continental, dental, detrimental, developmental, elemental, environmental, experimental, fundamental, gentle, incidental, incremental, instrumental, intercontinental, intergovernmental, judgemental, judgmental, lentil, mental, monumental, nongovernmental, occidental, occidentale, oriental, ornamental, pancontinental, parental, pimental, regimental, sentell, sentimental, simental, supplemental, temperamental, transcendental, transcontinental, unsentimental, yentl
Rental sounds like:
randal, randall, randel, randell, randle, randol, rantala, rantoul, reindel, reindl, remedial, remodel, remotely, rendall, rendell, rindahl, rintala, rintel, roundly, rundall, rundell, rundle