Naab rhymes with:
knob, knobbe, nobbe, snob, baab, blob, bob, bobb, cob, cobb, dob, dobb, glaab, glob, gob, grob, haab, hob, job, knob, knobbe, krob, lob, lobb, mob, nobbe, prob, punjab, raab, raabe, rob, robb, robbe, saab, schaab, schwab, slob, snob, sob, staab, stobbe, swab, throb, wobbe
Naab sounds like:
nab, nabb, nabi, nabob, naef, naeve, naff, naify, naive, nambi, namibia, namphy, nanobaby, nap, napa, napea, napp, nappa, nappi, nappo, nav, nava, nave, navy, neave, neeb, neef, neff, nepa, nephew, neuhoff, neva, neve, neveau, neveu, newbie, newby, newwave, nib, nibbe, niehoff, nimby, nineveh, nip, nipp, nippy, nobbe, nobuo, nope, nouveau, nov, nova, novey, novi, novia, novo, novoa, novy, nub, nuevo, numb, nuova, nuovo, nymph