at ease vs noisy

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. 

noisy

adj
  • Unpleasant-looking and causing unwanted attention 

  • Making a noise, especially a loud unpleasant sound 

  • Full of noise. 

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