Crossword clues for the word: SPAREKEY The word SPAREKEY has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for SPAREKEY Showing 1 to 9 of 9 results Clue(s) Backup means for gaining entrance Duplicate door device Extra door opener It might be hidden in a fake rock Item for a houseguest Item that might be hidden under a fake rock in the garden (2 wds.) Item that might be hidden under a welcome mat (2 wds.) Means of entry for an Airbnb guest, perhaps One may be hidden in a fake rock