vegetation vs biology

vegetation and biology both are nouns.

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

vegetation (noun)	biology (noun)
inactivity that is passive and monotonous, comparable to the inactivity of plant life	the science that studies living organisms
an abnormal growth or excrescence (especially a warty excrescence on the valves of the heart)	all the plant and animal life of a particular region
all the plant life in a particular region or period	characteristic life processes and phenomena of living organisms
the process of growth in plants