fraction vs fun size

fraction

noun
  • A small amount. 

  • A ratio of two numbers (numerator and denominator), usually written one above the other and separated by a horizontal bar called the vinculum or, alternately, in sequence on the same line and separated by a solidus (diagonal bar). 

  • A component of a mixture, separated by fractionation. 

  • A part of a whole, especially a comparatively small part. 

  • In a eucharistic service, the breaking of the host. 

verb
  • To divide or break into fractions. 

fun size

noun
  • A small size. 

adj
  • Small in size. 

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