at ease vs fearful

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. 

fearful

adj
  • Frightening; causing fear. 

  • Tending to fear; timid. 

adv
  • Extremely; fearfully. 

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