Oleo rhymes with:
polio, portfolio, polio, portfolio, adagio, audio, borneo, braggadocio, cameo, claudio, dario, embryo, impresario, montevideo, mustachio, patio, pistachio, polio, portfolio, presario, presidio, radio, ratio, rodeo, romeo, scorpio, stereo, studio, tokyo
Oleo sounds like:
ohl, oil, oilwell, oily, ol', ola, olah, olay, ole, olea, oleoyl, oley, oliwa, olley, ollie, ollila, olly, ooley, owl, oyola