infinitive vs productive

infinitive

adj
  • Formed with the infinitive. 

  • Unlimited; not bounded or restricted; undefined. 

noun
  • A non-finite verb form considered neutral with respect to inflection; depending on language variously found used with auxiliary verbs, in subordinate clauses, or acting as a gerund, and often as the dictionary form. 

  • The infinitive mood or mode (a grammatical mood). 

  • A verbal noun formed from the infinitive of a verb. 

productive

adj
  • Of, or relating to the creation of goods or services. 

  • Of a cough, producing mucus or sputum from the respiratory tract. 

  • Of inflammation, producing new tissue. 

  • Capable of producing something, especially in abundance; fertile. 

  • Consistently applicable to any of an open set of words. 

  • Yielding good or useful results; constructive. 

  • A type of set of natural numbers, related to mathematical logic. 

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