osteology vs general anatomy

osteology and general anatomy both are nouns.

Word	Noun	Adjective	Verb	Adverb
osteology	Yes	No	No	No
general anatomy	Yes	No	No	No

As nouns, general anatomy is a hypernym of osteology; that is, general anatomy is a word with a broader meaning than osteology:

osteology: the branch of anatomy that studies the bones of the vertebrate skeleton
general anatomy: the branch of morphology that deals with the structure of animals

Other hypernyms of osteology include anatomy.

osteology (noun)	general anatomy (noun)
the branch of anatomy that studies the bones of the vertebrate skeleton	the branch of morphology that deals with the structure of animals