Megabit rhymes with:
kilobit, abbitt, babbit, babbitt, bobbett, bobbitt, cobbett, cohabit, corbet, corbett, corbit, corbitt, cubit, debit, deorbit, doubet, exhibit, gambit, garbett, hibbett, kilobit, naisbitt, nesbit, nesbitt, nisbett, obit, rabbitt, ribbit, tarbet, tebbit, tibbett, torbett, tribbett, turbett
Megabit sounds like:
macbeth, makeshift, mcavity, mcbeath, mcbeth, mcfate, mckevitt, megabyte, megafood, messagepad, misbehaved, misfit, mousepad, mukhopadhyay, muscovite