foetology vs midwifery

foetology and midwifery both are nouns.

Word	Noun	Adjective	Verb	Adverb
foetology	Yes	No	No	No
midwifery	Yes	No	No	No

As nouns, midwifery is a hypernym of foetology; that is, midwifery is a word with a broader meaning than foetology:

foetology: the branch of medicine concerned with the fetus in the uterus
midwifery: the branch of medicine dealing with childbirth and care of the mother

Other hypernyms of foetology include OB, obstetrics, tocology.

foetology (noun)	midwifery (noun)
the branch of medicine concerned with the fetus in the uterus	assisting women at childbirth
	the branch of medicine dealing with childbirth and care of the mother