mold vs undirected graph

mold

noun
  • A frame or model around or on which something is formed or shaped. 

  • General shape or form. 

  • A fontanelle. 

  • Earth, ground. 

  • Loose friable soil, rich in humus and fit for planting. 

  • Something that is made in or shaped on a mold. 

  • A fixed or restrictive pattern or form. 

  • A hollow form or matrix for shaping a fluid or plastic substance. 

  • A natural substance in the form of a woolly or furry growth of tiny fungi that appears when organic material lies for a long time exposed to (usually warm and moist) air. 

  • Distinctive character or type. 

  • The shape or pattern of a mold. 

  • A group of moldings. 

verb
  • To cause to become moldy; to cause mold to grow upon. 

  • To ornament with moldings. 

  • To be shaped in or as if in a mold. 

  • To guide or determine the growth or development of; influence 

  • To cover with mold or soil. 

  • To make a mold of or from (molten metal, for example) before casting. 

  • To become moldy; to be covered or filled, in whole or in part, with a mold. 

  • To shape in or on a mold; to form into a particular shape; to give shape to. 

  • To fit closely by following the contours of. 

undirected graph

noun
  • A graph in which the edges are not ordered, so the edge (a, b) is identical to the edge (b, a). 

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