sure as shooting vs for sure

sure as shooting and for sure both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sure as shooting	No	Yes	No	Yes
for sure	No	Yes	No	Yes

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

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

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

sure as shooting (adjective)	for sure (adjective)
absolutely certain	not open to doubt

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