acerb Adjective, acerb harsh, unkind Appox. usage (any sense): 0.955 per million words Appox. usage (any sense): 0.955 per million words
neamabil Adjective, neamabil unkind Appox. usage (any sense): less than 0.1 per million words Appox. usage (any sense): less than 0.1 per million words