plenty vs quantities of

plenty

det

  • much, enough 

  • many 

adv

  • More than sufficiently. 

  • Used as an intensifier, very. 

pron

  • More than enough. 

noun

  • A more-than-adequate amount. 

quantities of

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