fun size vs peanut

fun size

noun

  • A small size. 

adj

  • Small in size. 

peanut

noun

  • A very small clam. 

  • A legume resembling a nut, the fruit of the plant Arachis hypogaea. 

  • See peanuts (“very small amount”). 

verb

  • To pull on somebody's tie as a prank, causing the knot to tighten. 

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