tattletale vs talebearer

tattletale and talebearer both are nouns.

Word	Noun	Adjective	Verb	Adverb
tattletale	Yes	No	No	No
talebearer	Yes	No	No	No

As nouns, tattletale and talebearer are synonyms defined as:

Other synonyms of tattletale include blabbermouth, taleteller, tattler, telltale.

tattletale (noun)	talebearer (noun)
someone who gossips indiscreetly	someone who gossips indiscreetly