aura vs aureole

aura and aureole both are nouns.

Word	Noun	Adjective	Verb	Adverb
aura	Yes	No	No	No
aureole	Yes	No	No	No

As nouns, aura and aureole are synonyms defined as:

aura and aureole: an indication of radiant light drawn around the head of a saint

Other synonyms of aura include gloriole, glory, halo, nimbus.

aura (noun)	aureole (noun)
an indication of radiant light drawn around the head of a saint	an indication of radiant light drawn around the head of a saint
a distinctive but intangible quality surrounding a person or thing	the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse
a sensation (as of a cold breeze or bright light) that precedes the onset of certain disorders such as a migraine attack or epileptic seizure