corposant vs arc

corposant and arc both are nouns.

Word	Noun	Adjective	Verb	Adverb
corposant	Yes	No	No	No
arc	Yes	No	Yes	No

As nouns, arc is a hypernym of corposant; that is, arc is a word with a broader meaning than corposant:

corposant: an electrical discharge accompanied by ionization of surrounding atmosphere
arc: electrical conduction through a gas in an applied electric field

Other hypernyms of corposant include discharge, electric arc, electric discharge, spark.

corposant (noun)	arc (noun)
an electrical discharge accompanied by ionization of surrounding atmosphere	electrical conduction through a gas in an applied electric field
	a continuous portion of a circle
	something curved in shape

corposant (verb)	arc (verb)
	form an arch or curve