Uncle rhymes with:
dunckel, dunkel, dunkle, granduncle, gunkel, hunkele, kunkel, kunkle, runckel, runkel, runkle
Uncle sounds like:
unanimously, uncoil, uncool, uneasily, unequal, unglue, unicycle, uniquely, unocal, unseal, unsell, unshackle, unusual, unusually, unwisely