Endures rhymes with:
cures, obscures, secures, yours, amanpour's, assures, beladur's, boors, brochures, cures, detours, ensures, insures, koors, luehrs, luhrs, lures, matures, moore's, moores, moors, obscures, poor's, poors, reassures, secures, spoor's, sures, tour's, tours, yours
Endures sounds like:
enders, endorse, endorses, endres, endress, endrizzi, entergy, enterococcus, enters, entourage, entourages, entrees, entries