Nonagon is a 7 letter English word. It's valid Scrabble word worth 8 points. It's valid Words with friends word worth 12 points.
You can make 50 anagrams from letters in nonagon (agnnnoo).
1680-90; Latin nōn(us) ninth + -a- (extracted from pentagon, hexagon, etc.) + -gon
There is said to be only one triangle, only one nonagon, and only one of diamond shape in all the forty thousand.
8
12