pedology vs neonatology

pedology and neonatology both are nouns.

Word	Noun	Adjective	Verb	Adverb
pedology	Yes	No	No	No
neonatology	Yes	No	No	No

As nouns, neonatology is a hyponym of pedology; that is, neonatology is a word with a more specific, narrower meaning than pedology:

pedology: the branch of medicine concerned with the treatment of infants and children
neonatology: that branch of pediatric medicine concerned with the newborn; the diagnosis and treatment of neonates

pedology (noun)	neonatology (noun)
the branch of medicine concerned with the treatment of infants and children	that branch of pediatric medicine concerned with the newborn; the diagnosis and treatment of neonates