recall vs unsay

recall

verb
  • To withdraw, retract (one's words etc.); to revoke (an order). 

  • To bring back (someone) to or from a particular mental or physical state, activity etc. 

  • To remove an elected official through a petition and direct vote. 

  • To call back, bring back or summon (someone) to a specific place, station etc. 

  • To call back (a situation, event etc.) to one's mind; to remember, recollect. 

  • To call again, to call another time. 

  • To request or order the return of (a faulty product). 

noun
  • Memory; the ability to remember. 

  • The fraction of (all) relevant material that is returned by a search. 

  • The right or procedure by which the decision of a court may be directly reversed or annulled by popular vote, as was advocated, in 1912, in the platform of the Progressive Party for certain cases involving the police power of the state. 

  • Request of the return of a faulty product. 

  • The right or procedure by which a public official may be removed from office before the end of their term of office, by a vote of the people to be taken on the filing of a petition signed by a required number or percentage of qualified voters. 

unsay

verb
  • To withdraw, retract (something said). 

  • To cause something not to have been said; to make it so that one never said something (since this is physically impossible, usually in the subjunctive). 

  • I wish I could unsay that. 

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