at ease vs restless

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. 

restless

adj
  • Not satisfied to be at rest or in peace; averse to repose; eager for change; discontented. 

  • Without rest; unable to be still or quiet; uneasy; continually moving. 

  • Not allowing or affording rest. 

  • Deprived of rest or sleep. 

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