airsick vs peakish

airsick

adj
  • Nauseated due to the effects of motion of an aircraft; suffering from motion sickness caused by air travel. 

peakish

adj
  • Having thin or sharp features, as from sickness; sickly; peaky. 

  • Having peaks; peaked. 

  • Of or relating to a peak or peaks; belonging to a mountainous region. 

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