encomium vs laudation

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. 

laudation

noun
  • The act of lauding; high praise or commendation. 

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