dictionary form vs infinitive

dictionary form

noun

  • The basic form of a word used as a dictionary entry (of any part of speech, but especially of a verb). 

infinitive

noun

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

  • 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). 

adj

  • Unlimited; not bounded or restricted; undefined. 

  • Formed with the infinitive. 

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