congenital anomaly vs congenital defect

congenital anomaly and congenital defect both are nouns.

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

As nouns, congenital anomaly and congenital defect are synonyms defined as:

congenital anomaly and congenital defect: a defect that is present at birth

Other synonyms of congenital anomaly include birth defect, congenital abnormality, congenital disorder.

congenital anomaly (noun)	congenital defect (noun)
a defect that is present at birth	a defect that is present at birth