attendant vs vital

attendant

adj
  • Depending on, or owing duty or service to. 

  • Going with; associated; concomitant. 

noun
  • One who attends; one who works with or watches over something. 

  • That which accompanies or follows. 

  • A servant or valet. 

  • One who owes a duty or service to another. 

vital

adj
  • Necessary to the continuation of life; being the seat of life; being that on which life depends. 

  • Invigorating or life-giving. 

  • Very important. 

  • Containing life; living. 

  • Necessary to continued existence. 

  • Capable of living; in a state to live; viable. 

  • Relating to the recording of life events. 

  • Relating to, or characteristic of life. 

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