askance vs with disapproval

askance

adj
  • Turned to the side, especially of the eyes. 

verb
  • To turn (one's eye or gaze) to the side. 

  • To look at (someone or something) with a sideways glance. 

adv
  • Sideways; obliquely. 

  • With disapproval, skepticism, or suspicion. 

with disapproval

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