Megabuck rhymes with:
fishbach, raybuck, roebuck, starbuck, awestruck, dumbstruck, dumptruck, fishbach, moonstruck, naugatuck, potluck, raybuck, roebuck, starbuck, starstruck, thunderstruck, woodchuck
Megabuck sounds like:
maccabees, magpies, makepeace, massbauch, mcgavock, mcpeak, mcpeake, mcpeck, mcpeek, mcpike, mcveigh, mcveigh's, megabucks, mesbic, mesbics, misbehaves, miscavige, mischievous, mishaps, mississippi's, mississippis, misspeak, misspoke, mixups, mugabe's