do someone's head in vs nonplus

do someone's head in

verb

  • To frustrate, infuriate, irritate or disturb someone. 

nonplus

verb

  • To bewilder or perplex (someone); to confound, to flummox. 

noun

  • A state of bewilderment or perplexity. 

How often have the words do someone's head in and nonplus occurred in a corpus of books? (source: Google Ngram Viewer )