Incur rhymes with:
concur, francoeur, concur, cur, esquer, francoeur, ker, kerr, kuhr, liqueur, mccur, occur, recur, reoccur
Incur sounds like:
imagery, imcera, incisor, ingar, inger, ingrao, ingria, injure, injury, inquire, inquirer, inquiry, inscore, insecure, inserra, inshore, insure, insurer, inzer, ionizer