pendulous vs weeping

pendulous is not a noun while weeping is a noun.

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

As adjectives, pendulous and weeping are synonyms defined as:

pendulous and weeping: having branches or flower heads that bend downward

Other synonyms of pendulous include cernuous, drooping, nodding.

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

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