TRIGONOMETRY Scrabble 18 Words With Friends 20 Scrabble letter values: T1R1I1G2O1N1O1M3E1T1R1Y4 = 18 Definition noun the mathematics of triangles and trigonometric functions. — synonyms: trig See all 441 words you can make from TRIGONOMETRY → 12-letter words Words starting with T Words ending with Y ← Unscramble different letters