XXX vs ithyphallic

XXX

adj
  • Extra strong; very high quality. 

  • Designating extreme or hardcore pornography. 

verb
  • To delete; to cross out, especially to conceal or suggest vulgar language. 

noun
  • Triple X syndrome. 

symbol
  • An indicator of hazard or poison. 

  • Traditional brewer's mark for barrels of extra strong beer—extended to other alcoholic beverages and other products having an extra strong dimension (varying from laundry soap to pornography). 

ithyphallic

adj
  • Pertaining to a metrical combination of two trochees followed by one spondee. 

  • Lascivious, obscene. 

  • Of a poem or song: having the metre of an ode sung in honour of the bacchic phallus. 

  • Of or pertaining to an upward pointing, erect penis; (specifically) of an artistic depiction of a deity or other figure: possessing an erect penis. 

  • Of or pertaining to the erect phallus that was carried in bacchic processions. 

noun
  • A poem or song in an ithyphallic metre. 

  • A lascivious or obscene poem or song. 

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