effective vs telling

effective is not a noun while telling is a noun.

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

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

effective (adjective)	telling (adjective)
producing or capable of producing an intended result or having a striking effect	producing a strong effect
existing in fact; not theoretical; real	disclosing unintentionally something concealed
able to accomplish a purpose; functioning effectively	powerfully persuasive
works well as a means or remedy
ready for service
exerting force or influence