re-member vs regain

re-member

verb
  • To reconstitute or reassemble that which has been dismembered. 

regain

verb
  • To get back; to recover possession of. 

noun
  • The amount of width a woven cloth grows by when the fibers swell, used to determine the width of the reed to use in weaving. 

  • The act or process of regaining something. 

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