skimp vs use sparingly

skimp

verb
  • To mock, deride, scorn, scold, make fun of. 

  • To slight; to do carelessly; to scamp. 

  • To make insufficient allowance for; to scant; to scrimp. 

  • To save; to be parsimonious or stingy. 

noun
  • Underwear. 

  • A skimpy or insubstantial thing, especially a piece of clothing. 

use sparingly

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