pagination vs folio

pagination and folio both are nouns.

Word	Noun	Adjective	Verb	Adverb
pagination	Yes	No	No	No
folio	Yes	No	No	No

As nouns, pagination and folio are synonyms defined as:

Other synonyms of pagination include page number, paging.

pagination (noun)	folio (noun)
the system of numbering pages	a book (or manuscript) consisting of large sheets of paper folded in the middle to make two leaves or four pages
	a sheet of any written or printed material (especially in a manuscript or book)
	the system of numbering pages