Fifi rhymes with:
beefy, heaphy, leafy, adelphi, adinolfi, alafi, alfie, apostrophe, arnolphe, astrophotography, atrophy, autobiography, beefy, bibliography, biography, brophy, buffy, caffee, caffey, calfee, calligraphy, catastrophe, chafee, chaffee, chaffy, choreography, chromatography, cinematography, cioffi, claffey, coffee, coffey, comfy, crisafi, crystallography, daffy, defee, demography, diffee, discography, dolfi, duffee, duffey, duffie, duffy, dunphy, durfee, durfey, dystrophy, echography, effie, effy, elfie, fluffy, gadhafi, gaffey, gandolfi, geography, ghadafi, giffy, golfie, goofy, griffee, griffey, griffie, griffy, guffey, guffy, hafey, haffey, hagiography, heaphy, historiography, hofi, huffy, hypertrophy, iconography, iffy, jaffe, jaffee, jaffey, jeffey, jeffy, jiffy, kaumography, khadafi, kofi, laffey, landolfi, leafy, lithography, loepfe, mahaffey, mahaffy, mammography, mcaffee, mcduffee, mcduffie, mcduffy, mcgaffey, mcguffee, mcguffey, mcguffie, mchaffie, mcmurphy, mehaffey, melfi, menefee, muffy, mulanaphy, murphey, murphy, namphy, oceanography, orphee, orthography, pandolfi, philosophy, photography, phytogeography, polarography, pomography, pornography, puffy, radiography, raffi, rafi, ridolfi, riffey, ruphy, sanofi, scruffy, sheffey, sherfey, siconolfi, sniffy, sofie, sophie, sophy, spiffy, steffey, steffi, steffie, steffy, stolfi, stuffy, taffy, texfi, toffee, topography, toughie, trophy, typography, yoffie, zopfi
Fifi sounds like:
f, f., fab, fabia, fabio, fae, fahey, fahy, fao, fava, fave, favia, faw, fay, faye, fe, feb, fee, few, fey, fi, fief, fife, five, fob, foe, foia, foie, foo, fop, fouhy, foy, foye, fu, fua, fye, fyfe, fyffe