peripheral vs vital

peripheral

noun
  • Peripheral vision. 

  • A peripheral device. 

adj
  • Related to or located in the peripheral nervous system. 

  • Unimportant. 

  • Beside the point. 

  • On the periphery or boundary. 

  • Auxiliary. 

vital

adj
  • Invigorating or life-giving. 

  • Very important. 

  • Containing life; living. 

  • Necessary to continued existence. 

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

  • 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 peripheral and vital occurred in a corpus of books? (source: Google Ngram Viewer )