askew vs erroneously

askew

adj

  • Untoward, unfavourable. 

  • Turned or twisted to one side. 

adv

  • Tilted to one side. 

erroneously

adv

  • Incorrectly. 

  • In an erroneous manner. 

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