disintegrating vs geriatric

disintegrating

adj

  • That causes disintegration. 

geriatric

adj

  • Relating to geriatrics. 

  • Relating to the elderly. 

  • Elderly, old. 

noun

  • An old person. 

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