Middle Ages vs miniature

Middle Ages and miniature both are nouns.

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

Middle Ages (noun)	miniature (noun)
the period of history between classical antiquity and the Italian Renaissance	a copy that reproduces a person or thing in greatly reduced size
	painting or drawing included in a book (especially in illuminated medieval manuscripts)

Middle Ages (adjective)	miniature (adjective)
	being on a very small scale