Gaia rhymes with:
eligaya, aja, araya, berjaya, boguslavskaya, cartaya, czaja, daya, elia, eligaya, himalaya, indiaia, iphegenia, jaya, jeremiah, josiah, literaturnaya, maia, mariah, maya, messiah, nehemiah, obadiah, papaya, pariah, pervomaiskaya, playa, plisetskaya, rupiah, sovetskaya, stolichnaya, via, vizcaya, zachariah, zaslavskaya, zedekiah, zelaya
Gaia sounds like:
g, g's, g., g.'s, g.s, ga, gacek, gach, gacy, gacy's, gae, gaea, gag, gage, gags, gai, gaige, gajewski, gas, gas's, gasaway, gasca, gase, gaseous, gases, gash, gashes, gasich, gaska, gaskey, gasque, gass, gassaway, gassee, gasses, gau, gauch, gauche, gaucho, gauchos, gauge, gauges, gaugh, gaus, gause, gauss, gauze, gaw, gawk, gawky, gay, gaye, gays, gaz, gaza, gaza's, gazaway, gaze, gazes, geac, geagea, geck, gecko, geckos, gee, gee's, geek, geeks, geeky, gees, geese, geesey, geez, geeze, gegg, geico, geico's, geigy, geigy's, geis, geise, geisha, geiss, gekas, gekko, geo, geschke, gesco, geske, gess, gewgaw, ghee, ghez, ghezzi, ghio, ghose, ghosh, gia's, giacco, gick, gieck, gies, giese, giesecke, gieseke, giesey, gieske, gig, gigi, gigs, gikas, gioia, gish, gisi, gissi, gisu, giza, gizzi, go, goa, gocke, goe, goeas, goecke, goeke, goes, goewey, goga, gogh, goghs, gogo, goh, gokey, goo, gooch, gooey, googe, gook, goos, goose, goosey, gosa, gosch, gose, gosh, gosha, goshawk, goss, gossage, gosse, goswick, gouge, gough, gousha, gow, goy, goya, goya's, goyko, goza, gozo, gozo's, gu, guasch, guay, gucci, guccio, guck, gucwa, gue, guess, guesses, guez, guez's, guice, guise, guises, gus, guse, guses, gush, gushes, gusky, guss, gussie, gussy, guy, guy's, guys, guys', guza, guzek, guzik, guzowski, guzy, guzzi, guzzo, gway, gyi, gyosai