sociobiologist vs sociobiology

sociobiologist and sociobiology both are nouns.

Word	Noun	Adjective	Verb	Adverb
sociobiologist	Yes	No	No	No
sociobiology	Yes	No	No	No

sociobiologist (noun)	sociobiology (noun)
a biologist who studies the biological determinants of social behavior	the branch of biology that conducts comparative studies of the social organization of animals (including human beings) with regard to its evolutionary history