dismissal vs dismission

dismissal

noun
  • The act of sending someone away. 

  • A written or spoken statement of such an act. 

  • Removal from consideration; putting something out of one's mind, mentally disregarding something or someone. 

  • The rejection of a legal proceeding, or a claim or charge made therein. 

  • Release from confinement; liberation. 

  • Deprivation of office; the fact or process of being fired from employment or stripped of rank. 

  • The final blessing said by a priest or minister at the end of a religious service. 

  • The event of a batsman getting out; a wicket. 

dismission

noun
  • The act of dismissing or sending away (someone). 

  • Removal from office; termination of employment or services, or position in ones affections. 

  • The setting aside (of something) from consideration. 

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