Isla rhymes with:
abila, aguila, anttila, biela, bila, brambila, daquila, deavila, delila, dell'aquila, dellaquila, gila, ila, korpela, koskela, lassila, leala, leila, lela, lila, maquila, mattila, neala, nila, opiela, philomela, piela, pietila, sheela, sheelah, sheila, sheilah, tequila, theophila, vevila, vila
Isla sounds like:
icicle, icily, igel, igloo, ikle, isaly, isle, isley, isola