deaconess vs theologus

deaconess

noun
  • A female deacon (Anglican). 

  • 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. 

theologus

noun
  • Synonym of theologian (“Roman Catholic lecturer”) 

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