Iguanas rhymes with:
donna's, donnas, ilana's, madonna's, manas, nirvana's, nirvanas, shobana's, shobanna's, aetna's, algodones, americana's, americanas, anna's, annas, antenna's, antennas, arena's, arenas, argentina's, argentinas, arianna's, arizona's, athanas, avana's, bagdonas, balchunas, ballerinas, bananas, banas, bandanas, barcenas, barnas, bernas, briana's, brianna's, burkina's, cabanas, canas, carolina's, carolinas, cessna's, china's, cigna's, corona's, cortinas, dana's, delrina's, deltona's, despina's, diana's, donna's, donnas, drina's, drinas, encinas, farinas, ganas, gelinas, ghana's, gina's, ginas, gretna's, hanas, hanna's, hannahs, havana's, helena's, hercegovina's, herzegovina's, humana's, hyenas, ilana's, indiana's, janas, katarina's, kimonos, krajina's, lagunas, lena's, llanas, lonas, lorena's, louisiana's, madonna's, magna's, manas, marinas, markunas, mascarenas, miscayuna's, mona's, montana's, nirvana's, nirvanas, o'canas, ocanas, oksana's, panas, pena's, planas, pseudomonas, quina's, rinas, sardinas, saunas, savannas, selena's, selinas, shobana's, shobanna's, sienna's, subpoenas, susquehanna's, taverna's, tavernas, tina's, tropicana's, tunas, vienna's, zenas
Iguanas sounds like:
icahn's, icing, icons, ignace, ignacio, ignacio's, ignasiak, igneous, ignominious, ijames, isensee, isms, isogenic, issing, issuance, issuances, issuing, izansky, izansky's