miniature vs miniaturist

miniature and miniaturist both are nouns.

Word	Noun	Adjective	Verb	Adverb
miniature	Yes	Yes	No	No
miniaturist	Yes	No	No	No

miniature (noun)	miniaturist (noun)
a copy that reproduces a person or thing in greatly reduced size	someone who paints tiny pictures in great detail
painting or drawing included in a book (especially in illuminated medieval manuscripts)

miniature (adjective)	miniaturist (adjective)
being on a very small scale