encumber vs hinder

encumber

verb
  • To restrict or block something with a hindrance or impediment. 

  • To burden with a legal claim or other obligation. 

  • To load down something with a burden. 

hinder

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

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

noun
  • The buttocks. 

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

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