congenital anomaly vs defect

congenital anomaly and defect both are nouns.

Word	Noun	Adjective	Verb	Adverb
congenital anomaly	Yes	No	No	No
defect	Yes	No	Yes	No

As nouns, defect is a hypernym of congenital anomaly; that is, defect is a word with a broader meaning than congenital anomaly:

Other hypernyms of congenital anomaly include anomalousness, anomaly.

congenital anomaly (noun)	defect (noun)
a defect that is present at birth	a mark or flaw that spoils the appearance of something (especially on a person's body)
	a failing or deficiency
	an imperfection in an object or machine
	an imperfection in a bodily system

congenital anomaly (verb)	defect (verb)
	desert (a cause, a country or an army), often in order to join the opposing cause, country, or army