blameless vs salt of the earth

blameless

adj
  • Free from blame; without fault; innocent 

  • Not meriting blame or censure; undeserving of reproof. 

salt of the earth

noun
  • A decent, dependable, unpretentious person. 

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