Here's what rhymes with petiole.
whole role soul coal goal hole pole roll sole bowl fol mole poll stole toll knoll shoal dole foal bole boll thole vole kohl tole dolour skoal parole scroll stroll enroll droll extol troll bedroll oriole prole extoll patrol systole casserole vacuole cajole unroll maypole rissole glycerol arteriole condole cubbyhole beanpole innersole control buttonhole pigeonhole camisole profiterole quadrupole decontrol