fluvial Adjective, fluvial fluvial Appox. usage (any sense): 0.174 per million words Appox. usage (any sense): 0.174 per million words
fluviatil Adjective, fluviatil fluvial Appox. usage (any sense): less than 0.1 per million words Appox. usage (any sense): less than 0.1 per million words