corroboration vs documentation

corroboration and documentation both are nouns.

Word	Noun	Adjective	Verb	Adverb
corroboration	Yes	No	No	No
documentation	Yes	No	No	No

As nouns, corroboration and documentation are synonyms defined as:

corroboration and documentation: confirmation that some fact or statement is true through the use of documentary evidence

Other synonyms of corroboration include certification.

corroboration (noun)	documentation (noun)
confirmation that some fact or statement is true through the use of documentary evidence	documentary validation
	confirmation that some fact or statement is true through the use of documentary evidence
	program listings or technical manuals describing the operation and use of programs