treasonably vs traitorously

treasonably and traitorously both are adverbs.

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

As adverbs, treasonably and traitorously are synonyms defined as:

Other synonyms of treasonably include faithlessly, false, treacherously.

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