weighty vs telling

weighty is not a noun while telling is a noun.

Word	Noun	Adjective	Verb	Adverb
weighty	No	Yes	No	No
telling	Yes	Yes	No	No

As adjectives, weighty and telling are synonyms defined as:

Other synonyms of weighty include cogent.

weighty (noun)	telling (noun)
	informing by words
	an act of narration
	disclosing information or giving evidence about another

weighty (adjective)	telling (adjective)
having relatively great weight; heavy	producing a strong effect
excessively fat	disclosing unintentionally something concealed
weighing heavily on the spirit; causing anxiety or worry	powerfully persuasive
of great gravity or crucial import; requiring serious thought
powerfully persuasive