Gapp rhymes with:
gap, app, cap, capp, chap, chapp, clap, clapp, crap, dapp, entrap, flap, frap, gap, giap, hap, happ, happe, jap, kapp, klapp, knapp, krapp, lap, lapp, lappe, map, mapp, nap, napp, pap, papp, rap, rapp, rappe, sap, sapp, schapp, schnapp, scrap, shap, shapp, slap, snap, snapp, stapp, strap, tap, tapp, tappe, trap, trapp, trappe, unwrap, wrap, yap, yapp, zap, zapp
Gapp sounds like:
gab, gaba, gabay, gabby, gabe, gabie, gaby, gaf, gaff, gaffe, gaffey, gap, gape, gappa, gasify, gasp, gaspe, gaub, gave, gebbia, gebbie, gebo, geib, geoff, geva, giacobbe, giap, gib, gibb, gibby, gibe, gibeau, giff, giffy, gipe, gipp, giuseppe, give, giveaway, gob, gobi, gobie, gobioff, goff, goof, goofy, goop, goosby, gopi, gossip, gossipy, gouvea, gouveia, gov, gove, govea, guava, guba, guff, guffaw, guffey, guffy, guppy, gyp