Restraints rhymes with:
constraints, constraints, constraints, complaints, constraints, jonassaint's, paints, saint's, saints, saints', taints
Restraints sounds like:
registrants, restaurant's, restaurants, restaurants', ristorantes
constraints, constraints, constraints, complaints, constraints, jonassaint's, paints, saint's, saints, saints', taints
registrants, restaurant's, restaurants, restaurants', ristorantes