baffling vs struggleful

baffling

adj
  • frustrating 

  • Puzzling, perplexing, bewildering. 

noun
  • An act of foiling or thwarting. 

struggleful

adj
  • Full of struggle; difficult, hard. 

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