perfective vs sensational

perfective

adj
  • Of, or relative to, the perfect tense or perfective aspect. 

noun
  • a perfective verb form 

sensational

adj
  • Of or pertaining to sensation. 

  • Provoking a reaction of interest or excitement. 

  • Piquing or arousing the senses. 

  • Exceptionally great. 

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