maze vs plexus

maze

noun
  • Something made up of many confused or conflicting elements; a tangle. 

  • A labyrinth; a puzzle consisting of a complicated network of paths or passages, the aim of which is to find one's way through. 

plexus

noun
  • An interwoven combination of parts or elements in a structure or system. 

  • The system of equations required for the complete expression of the relations which exist between a set of quantities. 

  • A network of anastomosing or interwoven nerves, blood vessels, or lymphatic vessels. 

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