eldern vs geriatric

eldern

adj

  • Elder; elderly; aged; old. 

  • Not new; old; ancient. 

geriatric

adj

  • Elderly, old. 

  • Relating to geriatrics. 

  • Relating to the elderly. 

noun

  • An old person. 

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