simple vs unsophisticated

simple is a noun but unsophisticated is not a noun.

Word	Noun	Adjective	Verb	Adverb
simple	Yes	Yes	No	No
unsophisticated	No	Yes	No	No

simple (noun)	unsophisticated (noun)
a person lacking intelligence or common sense
any herbaceous plant having medicinal properties

simple (adjective)	unsophisticated (adjective)
(botany) of leaf shapes; of leaves having no divisions or subdivisions	not wise in the ways of the world
having few parts; not complex or complicated or involved	awkwardly simple and provincial
easy and not involved or complicated	lacking complexity
exhibiting childlike simplicity and credulity
unornamented
lacking mental capacity and subtlety
apart from anything else; without additions or modifications