Crossword clues for the word: EXC The word EXC has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for EXC Showing 1 to 7 of 7 results Clue(s) A+: Abbr. But (abbr.) First-rate: Abbr. Not counting: Abbr. Other than: abbr. Term-paper grade: Abbr. Title for a gov. or amb.