laud vs take one's hat off to

laud

verb

  • To praise; to glorify. 

noun

  • Praise or glorification. 

  • A prayer service following matins. 

  • Hymn of praise. 

take one's hat off to

verb

  • To praise or thank; to congratulate. 

  • To remove one's hat as a sign of respect to. 

How often have the words laud and take one's hat off to occurred in a corpus of books? (source: Google Ngram Viewer )