hinder vs look down upon

hinder

verb
  • To make difficult to accomplish; to act as an obstacle; to frustrate. 

  • To delay or impede; to keep back, to prevent. 

noun
  • The buttocks. 

adj
  • Of or belonging to that part or end which is in the rear or hind, or which follows. 

look down upon

How often have the words hinder and look down upon occurred in a corpus of books? (source: Google Ngram Viewer )