brill vs perfective

brill

adj
  • Wonderful, amusing; cool 

noun
  • A type of flatfish, Scophthalmus rhombus. 

perfective

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

noun
  • a perfective verb form 

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