Jab rhymes with:
ab, bab, babb, cab, colab, crab, crabb, crabbe, dab, drab, fab, flab, gab, glab, grab, grabbe, knab, knabb, krabbe, lab, labbe, mab, macnab, mcnab, mcnabb, nab, nabb, prab, prefab, rab, rabb, sabb, scab, schab, slab, stab, tab, tabb
Jab sounds like:
jabah, jackoby, jacob, jacoba, jacobe, jacobi, jacobo, jacoby, jaffa, jaffe, jaffee, jaffey, jakab, jakob, jap, java, jeb, jeep, jeff, jeffe, jeffey, jeffy, jehovah, jessop, jessup, jesup, jib, jibe, jif, jiffy, jive, job, jobe, joffe, jojoba, jopp, josef, joseph, josepha, jovi, jozef, juba, jubb, jujube, juppe, juve