clamber / clammer / clamour [ˈklæmɜr]
clamber – n. & v. – n. – a difficult climb; v. – climb with hands and feet, especially with difficulty or labouriously
clammer – n. – a clam digger – a person who digs for clams, especially for a living
clamour (clamor) – n. & v. – n. – 1. a loud or vehement shouting or noise; 2. a protest or complaint; 3. an appeal or demand; v. – 1. make a clamour; 2. utter with a clamour