accomplishment vs incompletion

accomplishment

noun
  • The act of accomplishing; completion; fulfilment. 

  • The lexical aspect (aktionsart) of verbs or predicates that change over time until a natural end point. 

  • That which completes, perfects, or equips thoroughly; acquirement; attainment; that which constitutes excellence of mind, or elegance of manners, acquired by education or training. 

  • Something accomplished; an achievement. 

incompletion

noun
  • The state or quality of not being complete. 

  • A forward pass which is not caught inbounds by the intended receiver. 

  • Something which is not completed. 

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