Rivaling rhymes with:
creveling, groveling, leveling, marveling, raveling, reveling, shriveling, swiveling, traveling, travelling, unraveling
Rivaling sounds like:
rappelling, raveling, rebelling, rebellion's, rebellions, refueling, repealing, repelling, replaying, replenish, replying, revaluing, revealing, reveling, revlon's, rifling, rippling, robling, roebling, ruffling