devotion vs faith

devotion

noun
  • The act or state of devoting or being devoted. 

  • Feeling of strong or fervent affection; dedication 

  • Religious veneration, zeal, or piety. 

  • A prayer (often found in the plural) 

faith

noun
  • An obligation of loyalty or fidelity and the observance of such an obligation. 

  • A conviction about abstractions, ideas, or beliefs, without empirical evidence, experience, or observation. 

  • A religious or spiritual belief system. 

  • A trust or confidence in the intentions or abilities of a person, object, or ideal from prior empirical evidence. 

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