big up vs venerability

big up

noun
  • Significant respect or acclaim. 

verb
  • To proclaim or exaggerate the importance of; to promote. 

  • To become big. 

venerability

noun
  • The qualities of being venerable; great age, respectability, infirmity, etc. 

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