writing vs footnote

writing and footnote both are nouns.

Word	Noun	Adjective	Verb	Adverb
writing	Yes	No	No	No
footnote	Yes	No	Yes	No

writing (noun)	footnote (noun)
the activity of putting something in written form	a printed note placed below the text on a printed page
the act of creating written works
the work of a writer; anything expressed in letters of the alphabet (especially when considered from the point of view of style and effect)
letters or symbols that are written or imprinted on a surface to represent the sounds or words of a language
(usually plural) the collected work of an author

writing (verb)	footnote (verb)
	add explanatory notes to or supply with critical comments