reclaim vs regain (possession of)

reclaim

noun
  • An effort to take something back, to reclaim something. 

verb
  • To return land to a suitable condition for use. 

  • To obtain useful products from waste; to recycle. 

  • To appeal from the Lord Ordinary to the inner house of the Court of Session. 

  • To bring back a term into acceptable usage, usually of a slur, and usually by the group that was once targeted by that slur. 

  • To claim something back; to repossess. 

regain (possession of)

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