anomaly vs aberrant

anomaly and aberrant both are nouns.

Word	Noun	Adjective	Verb	Adverb
anomaly	Yes	No	No	No
aberrant	Yes	Yes	No	No

As nouns, aberrant is a hyponym of anomaly; that is, aberrant is a word with a more specific, narrower meaning than anomaly:

Other hyponyms of anomaly include behemoth, colossus, giant, goliath, monster, Jekyll and Hyde.

anomaly (noun)	aberrant (noun)
(astronomy) position of a planet as defined by its angular distance from its perihelion (as observed from the sun)	one whose behavior departs substantially from the norm of a group
a person who is unusual
deviation from the normal or common order or form or rule

anomaly (adjective)	aberrant (adjective)
	markedly different from an accepted norm