multiskilled vs protean

multiskilled

adj
  • Having multiple skills 

protean

noun
  • A protein that has been slightly modified by water, dilute acid, or enzymes, but not modified to the extent of a metaprotein. 

adj
  • Exceedingly variable; readily assuming different shapes or forms. 

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