Quintic is a 7 letter English word. It's valid Scrabble word worth 18 points. It's valid Words with friends word worth 21 points.
You can make 63 anagrams from letters in quintic (ciinqtu).
1850-55; Latin quīnt(us) fifth + -ic
These last theorems present themselves in the demonstration of the non-existence of a solution of a quintic equation by radicals.