dulcet vs perfective

dulcet

adj
  • Generally pleasing; agreeable. 

  • Sweet, especially when describing voice or tones; melodious. 

perfective

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

noun
  • a perfective verb form 

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