Narrowing rhymes with:
harrowing, borrowing, harrowing, zeroing, bellowing, billowing, borrowing, burrowing, echoing, following, foreshadowing, harrowing, hollowing, mellowing, overshadowing, shadowing, swallowing, vetoing, wallowing, yellowing, zeroing
Narrowing sounds like:
naranja, naranjo, narrowness, nearing, nehring, neurons, noramco, norenco, norenko, norinko, norman's, normick, norming, norms