doxology vs encomium

doxology

noun
  • An expression of praise to God, especially a short hymn sung as part of a Christian worship service. 

encomium

noun
  • Warm praise, especially a formal expression of such praise; a tribute. 

  • The eighth exercise in the progymnasmata series. 

  • A method within rhetorical pedagogy. 

  • A general category of oratory. 

  • A genre of literature that included five elements: prologue, birth and upbringing, acts of the person's life, comparisons used to praise the subject, and an epilogue. 

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