bafflegab vs whiff-whaff

bafflegab

noun
  • Pretentious, incomprehensible, or overly technical language, especially legal or bureaucratic jargon. 

verb
  • To use pretentious, incomprehensible, or overly technical language. 

whiff-whaff

noun
  • Unnecessary items or additions. 

  • The breathy sound of something rushing quickly; whoosh. 

How often have the words bafflegab and whiff-whaff occurred in a corpus of books? (source: Google Ngram Viewer )