cleanliness vs ironing

cleanliness

noun
  • The property of being cleanly, or habitually clean; good hygiene. 

  • Ritual purity. 

ironing

noun
  • Laundry that has been washed and is ready to be ironed. 

  • The act of pressing clothes with an iron. 

  • Laundry that has recently been ironed. 

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