acrocephaly vs oxycephaly

acrocephaly and oxycephaly both are nouns.

Word	Noun	Adjective	Verb	Adverb
acrocephaly	Yes	No	No	No
oxycephaly	Yes	No	No	No

As nouns, acrocephaly and oxycephaly are synonyms defined as:

acrocephaly and oxycephaly: a congenital abnormality of the skull; the top of the skull assumes a cone shape

acrocephaly (noun)	oxycephaly (noun)
a congenital abnormality of the skull; the top of the skull assumes a cone shape	a congenital abnormality of the skull; the top of the skull assumes a cone shape