clinocephalism vs birth defect

clinocephalism and birth defect both are nouns.

Word	Noun	Adjective	Verb	Adverb
clinocephalism	Yes	No	No	No
birth defect	Yes	No	No	No

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

clinocephalism: a congenital defect in which the top of the head is depressed (concave instead of convex)
birth defect: a defect that is present at birth

Other hypernyms of clinocephalism include congenital abnormality, congenital anomaly, congenital defect, congenital disorder.

clinocephalism (noun)	birth defect (noun)
a congenital defect in which the top of the head is depressed (concave instead of convex)	a defect that is present at birth