pediatrics vs pediatric medicine

pediatrics and pediatric medicine both are nouns.

Word	Noun	Adjective	Verb	Adverb
pediatrics	Yes	No	No	No
pediatric medicine	Yes	No	No	No

As nouns, pediatrics and pediatric medicine are synonyms defined as:

pediatrics and pediatric medicine: the branch of medicine concerned with the treatment of infants and children

Other synonyms of pediatrics include paediatrics, pedology.

pediatrics (noun)	pediatric medicine (noun)
the branch of medicine concerned with the treatment of infants and children	the branch of medicine concerned with the treatment of infants and children