complexify vs pother

complexify

verb
  • To make something more complex; to complicate. 

pother

verb
  • To puzzle or perplex. 

  • To make a bustle or stir; to be fussy. 

noun
  • A commotion, a tempest. 

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