ending vs onfall

ending

noun
  • A termination or conclusion. 

  • The last part of something. 

  • The last morpheme of a word, added to some base to make an inflected form (such as -s in "dogs"). 

onfall

noun
  • The fall of the evening. 

  • A fall of rain or snow. 

  • A falling on or upon; an attack, onset, or assault. 

verb
  • To fall on or upon. 

  • To assault, attack. 

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