Crossword clues for the word: MOTHERTONGUE The word MOTHERTONGUE has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for MOTHERTONGUE Showing 1 to 7 of 7 results Clue(s) "Portuguese, for Brazilians, e.g." English to Englishmen. First language Got menu translated, having adopted different familiar language Native language One’s native language The first thing that comes out of one's mouth in a manner of speaking? Everyone says that!