Omissive is a 8 letter English word. It's valid Scrabble word worth 13 points. It's valid Words with friends word worth 15 points.
You can make 116 anagrams from letters in omissive (eiimossv).
1620-30; Latin omiss(us) (see omission) + -ive
But whether the intellect be active or but omissive in it, the sin cometh up to the same height of evil.