denounce vs tell on

denounce and tell on both are verbs.

Word	Noun	Adjective	Verb	Adverb
denounce	No	No	Yes	No
tell on	No	No	Yes	No

As verbs, denounce and tell on are synonyms defined as:

Other synonyms of denounce include betray, give away, grass, rat, shit, shop, snitch, stag.

denounce (verb)	tell on (verb)
speak out against	produce an effect or strain on somebody
give away information about somebody	give away information about somebody
announce the termination of, as of treaties
to accuse or condemn or openly or formally or brand as disgraceful