mar vs miscompute

mar

verb

  • To spoil; to ruin; to scathe; to damage. 

noun

  • A small lake. 

  • A blemish. 

miscompute

verb

  • To compute erroneously. 

noun

  • An erroneous computation. 

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