diarrhoea vs looseness

diarrhoea

noun
  • British standard spelling of diarrhea. 

looseness

noun
  • Moral laxity; licentiousness. 

  • The quality or fact of being free from rigidity, attachment or restraint; not tight, not firmly attached or taut. 

  • A relaxed state regarding principles or accuracy. 

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