Trigraph is a 8 letter English word. It's valid Scrabble word worth 14 points. It's valid Words with friends word worth 15 points.
You can make 184 anagrams from letters in trigraph (aghiprrt).
First recorded in 1830-40; tri- + -graph
trigraph, trī′graf, n. a combination of three letters sounded as one, a triphthong.
14
15