Middle Ages vs pavis

Middle Ages and pavis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Middle Ages	Yes	No	No	No
pavis	Yes	No	No	No

Middle Ages (noun)	pavis (noun)
the period of history between classical antiquity and the Italian Renaissance	(Middle Ages) a large heavy oblong shield protecting the whole body; originally carried but sometimes set up in permanent position