deverbal vs verbal noun

deverbal

noun
  • A word, especially a substantive, that is derived from a verb. 

adj
  • Derived from a verb. 

verbal noun

noun
  • A noun that is morphologically related to a verb and similar to it in meaning; in English, it contrasts with the gerund and the deverbal noun. 

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