Atakapa
Alternative forms
Noun
kakau
-  water
-  river
Verb
kakau
-  to rain
References
-  John Reed Swanton, A Structural and Lexical Comparison of the Tunica, Chitimacha and Atakapa languages (1919): kákaū
-  Gatschet and Swanton, A Dictionary of the Atakapa Language (1932)