wonderfully vs marvelously

wonderfully and marvelously both are adverbs.

Word	Noun	Adjective	Verb	Adverb
wonderfully	No	No	No	Yes
marvelously	No	No	No	Yes

As adverbs, wonderfully and marvelously are synonyms defined as:

Other synonyms of wonderfully include marvellously, superbly, terrifically, toppingly, wondrous, wondrously.

wonderfully (adverb)	marvelously (adverb)
(used as an intensifier) excellently	(used as an intensifier) excellently