F. rhymes with:
chef, clef, cref, deaf, f, geoff, greff, hfdf, jeff, jeffe, leff, mcneff, neff, ref, reff, reph, rpf, sbf, scheff, seff, sheff, steffe, steph, streff, zeff
F. sounds like:
f, fab, fabia, fabio, fae, fahey, fahy, fao, fava, fave, favia, faw, fay, faye, fe, feb, fee, few, fey, fi, fief, fife, fifi, five, fob, foe, foia, foie, foo, fop, fouhy, foy, foye, fu, fua, fye, fyfe, fyffe