looseness vs obstinence

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. 

obstinence

noun
  • Synonym of obstinacy; Misspelling of obstinance. 

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