Here's what rhymes with columnaa.
ma na gnaw maw nah law la saw raw da ha jaw sa pa ta wa ya ja ka ra ga moi paw thaw waa cha faw haa ois sha shah baa bah hah haw rah yaw caw sough soh rawer draw qua claw fhall flaw bra inlaw spa trois ulna bois chamois aha blah craw macaw slaw pshaw straw alga squaw travaux hurrah overawe pasha guffaw lockjaw redraw panama pawpaw uninstall mackinaw loofah markkaa geegaw foresaw oversaw patois voila fuchsia baccarat jackdaw overdraw southpaw outdraw borzois bourgeois withdraw scofflaw