documentation vs software documentation

documentation and software documentation both are nouns.

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

As nouns, documentation and software documentation are synonyms defined as:

documentation and software documentation: program listings or technical manuals describing the operation and use of programs

documentation (noun)	software documentation (noun)
documentary validation	program listings or technical manuals describing the operation and use of programs
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