Gribben rhymes with:
gribbon, gribbon, ribbon, fitzgibbon, gibbon, gribbon, hibben, ibn, mcgibbon, mckibben, mckibbin, mckibbon, plybon, ribbon
Gribben sounds like:
garofano, garvin, gerbino, girvan, girven, girvin, graben, graffam, grapevine, gravano, graven, gravina, gravino, gribbin, gribbon, griffen, griffin, griffon, groben, grobian, groopman, groveman, gruben, grubman