atypic vs abnormal

atypic and abnormal both are adjectives.

Word	Noun	Adjective	Verb	Adverb
atypic	No	Yes	No	No
abnormal	No	Yes	No	No

atypic (adjective)	abnormal (adjective)
not representative of a group, class, or type	not normal; not typical or usual or regular or conforming to a norm
	departing from the normal in e.g. intelligence and development
	much greater than the normal