areolar vs areola

areolar is not a noun while areola is a noun.

Word	Noun	Adjective	Verb	Adverb
areolar	No	Yes	No	No
areola	Yes	No	No	No

areolar (noun)	areola (noun)
	small circular area such as that around the human nipple or an inflamed area around a pimple or insect bite
	small space in a tissue or body part such as the area between veins on a leaf or an insect's wing

areolar (adjective)	areola (adjective)
relating to or like or divided into areolae