treasonably vs faithlessly

treasonably and faithlessly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
treasonably	No	No	No	Yes
faithlessly	No	No	No	Yes

As adverbs, treasonably and faithlessly are synonyms defined as:

Other synonyms of treasonably include false, traitorously, treacherously.

treasonably (adverb)	faithlessly (adverb)
in a disloyal and faithless manner	in a disloyal and faithless manner