nimbus vs halo

nimbus and halo both are nouns.

Word	Noun	Adjective	Verb	Adverb
nimbus	Yes	No	No	No
halo	Yes	No	No	No

As nouns, nimbus and halo are synonyms defined as:

nimbus and halo: an indication of radiant light drawn around the head of a saint

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

nimbus (noun)	halo (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 dark grey cloud bearing rain	a circle of light around the sun or moon
	a toroidal shape