Odiaun rhymes with:
cambodian, collodion, custodian, nickelodeon, odeon, accordion, akkadian, amerindian, andean, antemeridian, arcadian, burgundian, cambodian, canadian, ceridian, chadian, circadian, claudian, collodion, comedian, custodian, davidian, didion, edwardian, floridian, freudian, garabedian, gedeon, gideon, gordian, guardian, indian, macfadyen, madyun, mcfadyen, median, meridian, meridien, mooradian, mouradian, nalbandian, nickelodeon, obsidian, odeon, pancanadian, providian
Odiaun sounds like:
o'donohue, oatman, odden, odem, oden, odeon, odiaum, odin, odom, odonohue, odum, ooten, otani, othman, otten, ottman, ottoman, ottum, outdone, outen, outman, outten