Opalina rhymes with:
galiena, gallina, idalina, malina, maralina, alina, andolina, angelina, aquilina, bellina, catalina, celina, colina, emelina, evelina, galena, galiena, galina, gallina, idalina, julina, leana, leena, lena, lina, magdalena, malina, maralina, marcellina, melina, merlina, michaelina, michelina, molina, nelina, nicolina, pamelina, paulina, philina, pollina, salina, selena, selina, semolina, zelina, zerlina
Opalina sounds like:
o'fallon, o'flynn, ofallon, oflynn, opaline