askew vs lopsided

askew

adj
  • Turned or twisted to one side. 

  • Untoward, unfavourable. 

adv
  • Tilted to one side. 

lopsided

adj
  • Not even or balanced; not the same on one side as on the other. 

  • biased; not balanced between points of view 

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