wonderfully vs wondrous

wonderfully is not an adjective while wondrous is an adjective.

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

As adverbs, wonderfully and wondrous are synonyms defined as:

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

wonderfully (adjective)	wondrous (adjective)
	extraordinarily good or great; used especially as intensifiers

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