arc vs curve

arc and curve both are nouns.

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

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

Other hypernyms of arc include curved shape.

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

Other hypernyms of arc include curved shape.

As verbs, arc and curve are synonyms defined as:

Other synonyms of arc include arch.

arc (noun)	curve (noun)
electrical conduction through a gas in an applied electric field	a pitch of a baseball that is thrown with spin so that its path curves as it approaches the batter
a continuous portion of a circle	curved segment (of a road or river or railroad track etc.)
something curved in shape	the property possessed by the curving of a line or surface
	a line on a graph representing data
	the trace of a point whose direction of motion changes

arc (verb)	curve (verb)
form an arch or curve	form a curl, curve, or kink
	turn sharply; change direction abruptly
	form an arch or curve
	bend or cause to bend
	extend in curves and turns