Gnathic is a 7 letter English word. It's valid Scrabble word worth 13 points. It's valid Words with friends word worth 15 points.
You can make 177 anagrams from letters in gnathic (acghint).
1880-85; Greek gnáth(os) jaw + -ic
The "gnathic index" is said to show that Europeans and Bushmen are orthognathous.