While searching our database we found 1 possible solution for the: Billion-year period crossword clue. This crossword clue was last seen on December 9 2025 Crosswords with Friends puzzle. The solution we have for Billion-year period has a total of 3 letters.
We have found 24 other crossword clues with the same answer.
There are a total of 57 clues in December 9 2025 Crosswords with Friends puzzle.
If you have already solved this crossword clue and are looking for the main post then head over to Crosswords with Friends December 9 2025 Answers