interstice vs areola

interstice and areola both are nouns.

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

As nouns, areola is a hyponym of interstice; that is, areola is a word with a more specific, narrower meaning than interstice:

interstice: a small structural space between tissues or parts of an organ
areola: small space in a tissue or body part such as the area between veins on a leaf or an insect's wing

interstice (noun)	areola (noun)
small opening between things	small circular area such as that around the human nipple or an inflamed area around a pimple or insect bite
a small structural space between tissues or parts of an organ	small space in a tissue or body part such as the area between veins on a leaf or an insect's wing