1. Congolese (language) (dated)

2. congo (dance formerly performed by Louisiana African-Americans) (Louisiana)

3. Black person (Louisiana, offensive, ethnic slur)

4. cottonmouth, water moccasin (snake) (Agkistrodon piscivorus) (Louisiana)

5. amphiuma, Congo eel, conger eel, Congo snake (aquatic salamander) (Amphiuma) (Louisiana)

6. green-winged teal, American teal (duck) (Anas carolinensis) (Louisiana)