weeping vs biology

weeping and biology both are nouns.

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

weeping (noun)	biology (noun)
the process of shedding tears (usually accompanied by sobs or other inarticulate sounds)	the science that studies living organisms
	all the plant and animal life of a particular region
	characteristic life processes and phenomena of living organisms

weeping (adjective)	biology (adjective)
showing sorrow
having branches or flower heads that bend downward