Zbig rhymes with:
big, big, brig, dig, fig, figg, figge, gig, grigg, isgrigg, jig, knigge, mcquigg, mig, nigg, pig, pigg, prig, prigge, quigg, renege, rig, rigg, sig, sigg, sprigg, stig, swig, tig, trig, trigg, trygg, twig, twigg, vig, whig, wig, wigg, zig
Zbig sounds like:
zabows, zabowski, zappa's, zaps, zbikowski, zhivago, zickefoose, ziff's, zips, zupko