crescent vs half-moon

crescent

noun
  • A curved pastry. 

  • 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 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. 

verb
  • To form a crescent shape 

  • To decorate with crescents. 

half-moon

noun
  • A semicircular or crescent-shaped Filipino butter cookie. 

  • The moon in its first or last quarter when only half the visible face is illuminated; a quarter moon. 

  • Anything shaped like a crescent, especially the base of a fingernail. 

  • Synonym of black and white (“type of cookie”) 

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