biological science vs weeping

biological science and weeping both are nouns.

Word	Noun	Adjective	Verb	Adverb
biological science	Yes	No	No	No
weeping	Yes	Yes	No	No

biological science (noun)	weeping (noun)
the science that studies living organisms	the process of shedding tears (usually accompanied by sobs or other inarticulate sounds)

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