immobility vs indolence

immobility

noun
  • The quality of not moving. 

  • The state or condition of being unable to change one's location, move or be moved. 

indolence

noun
  • Habitual laziness or sloth. 

  • Lack of pain in a tumour. 

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