crawk / croc / crock [krɒk]
crawk – v. & n. – v. – to utter a harsh squawk; n. – a sound effects man who imitates animals (as for radio programs)
croc – n. – informal a crocodile, a large, amphibious reptile native to Sub-Saharan Africa but can now be found in other regions as well. Both fresh water and salt water species are listed in the genus, Crocodylus
crock – n. – 1. informal an old person; 2. an earthenware jar or pot; 3. a broken piece of earthenware; 4. slang something untrue, deceitful, etc.