simple vs complex

simple and complex both are nouns.

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

simple (noun)	complex (noun)
a person lacking intelligence or common sense	a whole structure (as a building) made up of interconnected or related structures
any herbaceous plant having medicinal properties	a conceptual whole made up of complicated and related parts
	(psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person's behavior
	a compound described in terms of the central atom to which other atoms are bound or coordinated

simple (adjective)	complex (adjective)
(botany) of leaf shapes; of leaves having no divisions or subdivisions	complicated in structure; consisting of interconnected parts
having few parts; not complex or complicated or involved	difficult to analyze or understand
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