oxycephaly vs acrocephaly

oxycephaly and acrocephaly both are nouns.

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

As nouns, oxycephaly and acrocephaly are synonyms defined as:

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

oxycephaly (noun)	acrocephaly (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