circle vs arc

circle and arc both are nouns.

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

circle (noun)	arc (noun)
movement once around a course	electrical conduction through a gas in an applied electric field
any circular or rotating mechanism	a continuous portion of a circle
a road junction at which traffic streams circularly around a central island	something curved in shape
a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra
street names for flunitrazepam
an unofficial association of people or groups
ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point
something approximating the shape of a circle

circle (verb)	arc (verb)
form or draw a circle around	form an arch or curve
move in a circular path above (someone or something)
travel around something