firmness vs looseness

firmness

noun
  • security; steadfastness; good grip 

  • strictness; mental strength 

  • physical durability; rigidness (of material) 

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 firmness and looseness occurred in a corpus of books? (source: Google Ngram Viewer )