biology vs pedunculate

biology is a noun but pedunculate is not a noun.

Word	Noun	Adjective	Verb	Adverb
biology	Yes	No	No	No
pedunculate	No	Yes	No	No

biology (noun)	pedunculate (noun)
the science that studies living organisms
all the plant and animal life of a particular region
characteristic life processes and phenomena of living organisms

biology (adjective)	pedunculate (adjective)
	having or growing on or from a peduncle or stalk