O'five rhymes with:
c5, five, m5, alive, arrive, c5, clive, clyve, connive, contrive, deprive, derive, dive, dr, drive, five, hive, i've, jive, live, m5, revive, shive, strive, survive, thrive
O'five sounds like:
oba, obey, obie, oboe, of, off, ohba, oop, ooph, op, opie, opp, ova