biology vs weeping

biology and weeping both are nouns.

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

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

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