Iwata rhymes with:
algata, annunciata, annunziata, arata, arcata, ata, baratta, bharata, botta, camarata, cammarata, cannata, cantata, cassata, consolata, cotta, covatta, dagata, desiderata, dolata, donata, elata, fata, fatah, favata, fidata, flotta, gotta, granata, grata, harmata, hata, hirata, incata, indata, janata, jannotta, juniata, kalata, koversada, lafata, lata, licata, lopata, lotta, lysistrata, mahabharata, mariotta, marotta, mata, miata, mocatta, murata, nagata, nakata, nata, nunziata, ogata, plata, reatta, regatta, renata, renate, sakata, salata, santagata, scarlata, shibata, sonata, sowata, stigmata, suata, takata, tata, teradata, traviata, vanatta, vannatta, yamagata, zapata
Iwata sounds like:
i'd, id, ida, idaho, ide, idea, idette, idiot, ido, ihde, iida, iodide, iota, iott, it, it'd, it-wit, ita, ito, itoh, itty, iwate