Dark Ages vs miniature

Dark Ages and miniature both are nouns.

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

Dark 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)

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