Calvina rhymes with:
malvina, salvina, elvina, malvina, melvina, salvina, avina, bovina, covina, davina, elvina, gravina, hercegovina, herzegovina, indovina, lavina, ledvina, levina, malvina, melvina, posavina, salvina, savina, vena, vina
Calvina sounds like:
califano, calvani, calvano, calvin, calvino, cellophane, cellphone, chalfin, clapham, clapman, clavin, clephane, cleven, colvin, cyclopean