right-about vs tendency

right-about

noun
  • A 180-degree turn towards the right (especially of troops) 

tendency

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

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

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