crying vs weeping

crying and weeping both are nouns.

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

As nouns, crying and weeping are synonyms defined as:

crying and weeping: the process of shedding tears (usually accompanied by sobs or other inarticulate sounds)

Other synonyms of crying include tears.

crying (noun)	weeping (noun)
the process of shedding tears (usually accompanied by sobs or other inarticulate sounds)	the process of shedding tears (usually accompanied by sobs or other inarticulate sounds)

crying (adjective)	weeping (adjective)
conspicuously and outrageously bad or reprehensible	showing sorrow
demanding attention	having branches or flower heads that bend downward