baffling vs unresolvable

baffling

adj

  • frustrating 

  • Puzzling, perplexing, bewildering. 

noun

  • An act of foiling or thwarting. 

unresolvable

adj

  • not able to be resolved 

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