obstetrics vs tocology

obstetrics and tocology both are nouns.

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

As nouns, obstetrics and tocology are synonyms defined as:

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

Other synonyms of obstetrics include midwifery, OB.

obstetrics (noun)	tocology (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