biology vs theory of inheritance

biology and theory of inheritance both are nouns.

Word	Noun	Adjective	Verb	Adverb
biology	Yes	No	No	No
theory of inheritance	Yes	No	No	No

biology (noun)	theory of inheritance (noun)
the science that studies living organisms	(biology) a theory of how characteristics of one generation are derived from earlier generations
all the plant and animal life of a particular region
characteristic life processes and phenomena of living organisms