sociobiology vs sociobiologist

sociobiology and sociobiologist both are nouns.

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

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