omit vs overlook

omit is not a noun while overlook is a noun.

Word	Noun	Adjective	Verb	Adverb
omit	No	No	Yes	No
overlook	Yes	No	Yes	No

As verbs, omit and overlook are synonyms defined as:

Other synonyms of omit include drop, leave out, miss, neglect, overleap, pretermit.

omit (noun)	overlook (noun)
	a high place affording a good view

omit (verb)	overlook (verb)
leave undone or leave out	leave undone or leave out
prevent from being included or considered or accepted	watch over
	look past, fail to notice
	look down on
	be oriented in a certain direction