arc vs crescent

arc

verb
  • To shape into an arc; to hold in the form of an arc. 

  • To form an electrical arc. 

  • To move following a curved path. 

noun
  • A directed edge. 

  • An arclight. 

  • A story arc. 

  • A continuous part of the circumference of a circle (circular arc) or of another curve. 

  • That part of a circle which a heavenly body appears to pass through as it moves above and below the horizon. 

  • A curve, in general. 

  • A continuous mapping from a real interval (typically [0, 1]) into a space. 

  • A flow of current across an insulating medium; especially a hot, luminous discharge between either two electrodes or as lightning. 

  • A band contained within parallel curves, or something of that shape. 

  • The three-point line. 

crescent

verb
  • To form a crescent shape 

  • To decorate with crescents. 

noun
  • A curved street, often presenting a continuous façade, as of row houses. 

  • A representation of crescent used as a symbol of Islam. 

  • The emblem of the waxing Moon with horns directed upward, when used in a coat of arms; often used as a mark of cadency to distinguish a second son and his descendants. 

  • The figure of the moon as it appears between its first or last quarter and the new moon, with concave and convex edges terminating in points. 

  • A curved pastry. 

  • A crescent spanner. 

  • Any of three orders of knighthood conferred upon foreigners to whom Turkey might be indebted for valuable services. 

  • A crescentspot butterfly. 

adj
  • Shaped like a crescent. 

How often have the words arc and crescent occurred in a corpus of books? (source: Google Ngram Viewer )