coronary vs corona

coronary and corona both are nouns.

Word	Noun	Adjective	Verb	Adverb
coronary	Yes	Yes	No	No
corona	Yes	No	No	No

coronary (noun)	corona (noun)
obstruction of blood flow in a coronary artery by a blood clot (thrombus)	a long cigar with blunt ends
	(anatomy) any structure that resembles a crown in shape
	the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse
	an electrical discharge accompanied by ionization of surrounding atmosphere
	one or more circles of light seen around a luminous object
	(botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower
	a viral disease caused by SARS-CoV-2 that caused a global pandemic in 2020

coronary (adjective)	corona (adjective)
surrounding like a crown (especially of the blood vessels surrounding the heart)