deflect vs lose the thread

deflect

verb
  • To divert (attention, etc.). 

  • To touch the ball, often unwittingly, after a shot or a sharp pass, thereby making it unpredictable for the other players. 

  • To make (something) deviate from its original path. 

  • To avoid addressing (questions, criticism, etc.). 

  • To deviate from its original path. 

lose the thread

verb
  • To get distracted and lose track of something (one's train of thought, a conversation). 

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