astrict vs restrain

astrict

verb
  • To bind, constrain, or restrict. 

  • To estop. 

  • To restrict the tenure of. 

restrain

verb
  • To restrict or limit. 

  • To control or keep in check. 

  • To deprive of liberty. 

  • To strain again. 

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