a lot vs dozens

a lot

pron
  • A large amount. 

  • Many things, much. 

adv
  • Very much; a great deal; to a large extent. 

  • Often; frequently. 

dozens

noun
  • A verbal game in which two or more people exchange witty insults. 

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