anatomy vs asternal

anatomy is a noun but asternal is not a noun.

Word	Noun	Adjective	Verb	Adverb
anatomy	Yes	No	No	No
asternal	No	Yes	No	No

anatomy (noun)	asternal (noun)
a detailed analysis
alternative names for the body of a human being
the branch of morphology that deals with the structure of animals

anatomy (adjective)	asternal (adjective)
	not connected to the sternum or breastbone