clerical vs theologus

clerical

noun
  • A member of the clergy. 

  • Clerical garments. 

adj
  • Of or relating to the clergy. 

  • Of or relating to clerks or their work. 

theologus

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

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