simple vs naif

simple and naif both are nouns.

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

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

simple (adjective)	naif (adjective)
(botany) of leaf shapes; of leaves having no divisions or subdivisions	marked by or showing unaffected simplicity and lack of guile or worldly experience
having few parts; not complex or complicated or involved
easy and not involved or complicated
exhibiting childlike simplicity and credulity
unornamented
lacking mental capacity and subtlety
apart from anything else; without additions or modifications