Oregan rhymes with:
o'bregon, regen, blegen, degen, eggen, fegan, heggen, heneghan, legan, mcgegan, meghan, o'bregon, regen, vegan
Oregan sounds like:
oarsman, oregano, oregon, oregonian, organ, organum, orgasm, origin, orkem, orkin, orkney, orrison, orsini, orsino, orson