Crossword clues for the word: TETR The word TETR has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for TETR Showing 1 to 7 of 7 results Clue(s) "Four, for starters?" Four: Pref. Four: Prefix Half of oct- Having four parts: Prefix Numerical prefix with oxide Prefix on a Platonic solid