article vs papers

article and papers both are nouns.

Word	Noun	Adjective	Verb	Adverb
article	Yes	No	Yes	No
papers	Yes	No	No	No

article (noun)	papers (noun)
one of a class of artifacts	writing that provides information (especially information of an official nature)
nonfictional prose forming an independent part of a publication
(grammar) a determiner that may indicate the specificity of reference of a noun phrase
a separate section of a legal document (as a statute or contract or will)

article (verb)	papers (verb)
bind by a contract; especially for a training period