weeping vs cernuous

weeping is a noun but cernuous is not a noun.

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

As adjectives, weeping and cernuous are synonyms defined as:

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

Other synonyms of weeping include drooping, nodding, pendulous.

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

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