disregard vs floccinaucinihilipilification

disregard

noun
  • The act or state of deliberately not paying attention or caring about; misregard. 

verb
  • To ignore; pay no attention to. 

floccinaucinihilipilification

noun
  • The act or habit of describing or regarding something as unimportant, of having no value or being worthless. 

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