nontransitive vs unaccusative

nontransitive

adj
  • not transitive; intransitive 

unaccusative

adj
  • Intransitive and having an experiencer as its subject, that is, the (syntactic) subject is not a (semantic) agent. 

noun
  • An unaccusative verb. 

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