“Groups of four” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.TETRADS is the answer to the New York Times crossword clue “Groups of four”. It was last seen in the puzzle of September 16, 2026, where it runs at 18 Down and fills 7 squares. It crosses 7 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.