malaise vs unease

malaise

noun
  • An ambiguous feeling of mental or moral depression. 

  • A feeling of general bodily discomfort, fatigue or unpleasantness, often at the onset of illness. 

  • Ill will or hurtful feelings for others or someone. 

unease

noun
  • Trouble; misery; a feeling of disquiet or concern. 

verb
  • To make uneasy or uncomfortable 

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