anomaly vs unusual person

anomaly and unusual person both are nouns.

Word	Noun	Adjective	Verb	Adverb
anomaly	Yes	No	No	No
unusual person	Yes	No	No	No

As nouns, anomaly and unusual person are synonyms defined as:

anomaly (noun)	unusual person (noun)
(astronomy) position of a planet as defined by its angular distance from its perihelion (as observed from the sun)	a person who is unusual
a person who is unusual
deviation from the normal or common order or form or rule