Megabyte rhymes with:
gigabyte, exabyte, gigabyte, jacobite, backbite, exabyte, frostbite, gigabyte, jacobite, kilobyte, niobite, snakebite, soundbite
Megabyte sounds like:
macbeth, makeshift, mcavity, mcbeath, mcbeth, mcfate, mckevitt, megabit, megafood, messagepad, misbehaved, misfit, mousepad, mukhopadhyay, muscovite