tocology vs obstetrics

tocology and obstetrics both are nouns.

Word	Noun	Adjective	Verb	Adverb
tocology	Yes	No	No	No
obstetrics	Yes	No	No	No

As nouns, tocology and obstetrics are synonyms defined as:

tocology and obstetrics: the branch of medicine dealing with childbirth and care of the mother

Other synonyms of tocology include midwifery, OB.

tocology (noun)	obstetrics (noun)
the branch of medicine dealing with childbirth and care of the mother	the branch of medicine dealing with childbirth and care of the mother