sure enough vs for sure

sure enough is not an adjective while for sure is an adjective.

Word	Noun	Adjective	Verb	Adverb
sure enough	No	No	No	Yes
for sure	No	Yes	No	Yes

As adverbs, sure enough and for sure are synonyms defined as:

sure enough and for sure: definitely or positively (`sure' is sometimes used informally for `surely')

Other synonyms of sure enough include certainly, for certain, sure, sure as shooting, surely.

sure enough (adjective)	for sure (adjective)
	not open to doubt

sure enough (adverb)	for sure (adverb)
as supposed or expected	definitely or positively (`sure' is sometimes used informally for `surely')
definitely or positively (`sure' is sometimes used informally for `surely')