Mandrill rhymes with:
pendril, daughdrill, madril, pendril, antril, avril, brompheril, daughdrill, farrell, ferrell, fibrile, gambrill, kytril, madril, nostril, pendril, penril, rumrill, sherrill
Mandrill sounds like:
madril, mandrell, material, materially, materiel, matherly, mitral, momentarily, monetarily, montreal, motherly, motorola