Cancelling rhymes with:
canceling, canceling, bluepencilling, canceling, counseling, bluepencilling, bristling, bustling, canceling, counseling, hassling, hessling, hustling, jostling, keisling, kesling, kisling, muscling, ostling, parceling, wessling
Cancelling sounds like:
canceling, commingling, concealing, conkling, consoling, counseling