anxiety vs suffering

anxiety

noun
  • A state of restlessness and agitation, often accompanied by a distressing sense of oppression or tightness in the stomach. 

  • An unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event. 

  • An uneasy or distressing desire (for something). 

suffering

noun
  • The condition of someone who suffers; a state of pain or distress. 

adj
  • Experiencing pain; characterized by suffering. 

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