Spiritual vs deaconess

Spiritual

noun
  • A member of a branch of the Franciscan order that advocated simple dress and renounced the owning of property. 

deaconess

noun
  • A female servant in the early Christian church. 

  • The nun in charge of the altar in a convent. 

  • One of an order of women in some Protestant churches who nurse the sick and tend the poor. 

  • A female deacon (Anglican). 

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