Gruber rhymes with:
bubar, dewbre, guber, huber, hubor, luber, neuber, nuber, oubre, stuber, suber, uber, zuber
Gruber sounds like:
garber, garver, geographer, gerber, grabber, graber, graeber, graper, graver, greber, greever, grever, griever, grober, groover, gropper, grouper, groupware, grover, gruver