disallow vs legalize

disallow

verb
  • To reject as invalid, untrue, or improper 

  • to overrule a colonial legislation by the sovereign-in-privy council 

  • To refuse to allow 

legalize

verb
  • To make legal or permit under law. Either by decriminalising something that has been illegal or by specifically permitting it. 

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