at ease vs trying

at ease

prep
  • Allowed to refrain from being in rigid formation. 

  • Free of anxiety; not stressed or tense. 

  • In a relaxed position with the feet apart rather than at attention. 

trying

noun
  • The act by which one tries something; an attempt. 

adj
  • Difficult to endure; arduous. 

  • Irritating, stressful or bothersome. 

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