be at ease vs fuss

be at ease

fuss

verb
  • To show affection for, especially animals. 

  • To pet. 

  • To cry or be ill-humoured. 

  • To fiddle; fidget; wiggle, or adjust 

  • To be very worried or excited about something, often too much. 

noun
  • Excessive activity, worry, bother, or talk about something. 

  • A complaint or noise; a scene. 

  • An exhibition of affection or admiration. 

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