Defaulting rhymes with:
faulting, assaulting, exalting, faulting, halting, malting, salting, vaulting, assaulting, belting, bolting, catapulting, consulting, elting, exalting, exulting, faulting, halting, hoelting, insulting, jolting, kelting, malting, melting, molting, nolting, pelting, quilting, resulting, revolting, salting, smelting, somersaulting, stoelting, tilting, vaulting, wilting
Defaulting sounds like:
debilitating, deflating, depleting, devaluations, doublethink