Crossword clues for the word: FSIX The word FSIX has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for FSIX Showing 1 to 3 of 3 results Clue(s) "Button that may be shared with ""number lock""" Key in the middle of the top row Shortcut to highlighting the address bar on most internet browsers