arteriole vs arteriola

arteriole and arteriola both are nouns.

Word	Noun	Adjective	Verb	Adverb
arteriole	Yes	No	No	No
arteriola	Yes	No	No	No

As nouns, arteriole and arteriola are synonyms defined as:

arteriole and arteriola: one of the small thin-walled arteries that end in capillaries

Other synonyms of arteriole include capillary artery.

arteriole (noun)	arteriola (noun)
one of the small thin-walled arteries that end in capillaries	one of the small thin-walled arteries that end in capillaries