dexterous vs perfective

dexterous

adj
  • Skillful in some specific thing. 

  • Agile; flexible; able to move fluidly and gracefully. 

  • Skillful with one's hands. 

perfective

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

noun
  • a perfective verb form 

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