aorist vs simple past

aorist

noun
  • A verb paradigm found in certain languages, usually an unmarked form or one that expresses the perfective or aorist aspect. 

  • A particular verb in the aorist. 

adj
  • Of or pertaining to a verb in the aorist aspect. 

simple past

noun
  • A tense used to describe something that happened in the past, formed by the inflection of a single word, without any auxiliary verb such as be or have. 

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