du'a' vs laud

du'a'

noun
  • private prayer by an individual 

laud

noun
  • A prayer service following matins. 

  • Praise or glorification. 

  • Hymn of praise. 

verb
  • To praise; to glorify. 

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