Irises rhymes with:
retroviruses, virus's, actress's, actresses, choruses, congress', congress's, congresses, cypress's, embarrasses, fortresses, gavras's, heiresses, mattress's, norris's, retroviruses, sampras's, virus's, waitresses, walruses
Irises sounds like:
i'ers, ihrig, ihrke, ira's, iraq, iraq's, iraqi, iraqi's, iraqis, iras, irick, iris, irish, irk, irks, iroquois, iwerks