Nickelodeon rhymes with:
collodion, cambodian, collodion, custodian, odeon, odiaun, 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, obsidian, odeon, odiaun, pancanadian, providian