oblong vs simple

oblong and simple both are nouns.

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

oblong (noun)	simple (noun)
a plane figure that deviates from a square or circle due to elongation	a person lacking intelligence or common sense
	any herbaceous plant having medicinal properties

oblong (adjective)	simple (adjective)
deviating from a square or circle or sphere by being elongated in one direction	(botany) of leaf shapes; of leaves having no divisions or subdivisions
(of a leaf shape) having a somewhat elongated form with approximately parallel sides	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