developmental psychology vs genetic psychology

developmental psychology and genetic psychology both are nouns.

Word	Noun	Adjective	Verb	Adverb
developmental psychology	Yes	No	No	No
genetic psychology	Yes	No	No	No

As nouns, developmental psychology and genetic psychology are synonyms defined as:

developmental psychology and genetic psychology: the branch of psychology that studies the social and mental development of children

Other synonyms of developmental psychology include child psychology.

developmental psychology (noun)	genetic psychology (noun)
the branch of psychology that studies the social and mental development of children	the branch of psychology that studies the social and mental development of children