at ease vs blushing

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. 

blushing

adj
  • Showing blushes; rosy red. 

noun
  • The act of one who blushes; a blush. 

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