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