tendency vs warp and woof

tendency

noun
  • An organised unit or faction within a larger political organisation. 

  • A likelihood of behaving in a particular way or going in a particular direction; a tending toward. 

warp and woof

noun
  • The fundamental structure of any process or system. 

  • The threads in a woven fabric, composed of the warp (threads running lengthwise) and woof (threads running crosswise) to create the texture of the fabric. 

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