ramification vs trigger point

ramification

noun
  • An offshoot of a decision, fact etc.; a consequence or implication, especially one which complicates a situation. 

  • An arrangement of branches. 

  • A branching-out, the act or result of developing branches; specifically the divergence of the stem and limbs of a plant into smaller ones, or of similar developments in blood vessels, anatomical structures etc. 

trigger point

noun
  • An event, arrangement, provocation, etc. that leads a certain, generally violent or angered, action to be taken. 

  • A hyperirritable spot in the skeletal muscle; a point in tender muscle that tends to elicit pain upon pressure or touch. ᵂᵖ 

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