assured vs muted

assured

noun

  • An insured person. 

adj

  • Guaranteed; secure. 

  • Self-confident; self-assured; sure. 

muted

adj

  • Subdued. 

  • Quiet or soft. 

  • Not expressed strongly or openly. 

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