gerund vs gerundive

gerund

noun
  • In some languages such as Dutch, Italian or Russian, a verbal form similar to a present participle, but functioning as an adverb to form adverbial phrases or continuous tense. These constructions have various names besides gerund, depending on the language, such as conjunctive participles, active participles, adverbial participles, transgressives, etc. 

  • A verbal form that functions as a verbal noun. (In English, a gerund has the same spelling as a present participle, but functions differently; however, this distinction may be ambiguous or unclear and so is no longer made in some modern texts such as A Comprehensive Grammar of the English Language and The Cambridge Grammar of the English Language) 

gerundive

noun
  • a verbal adjective ending in -ing , also called a "present participle". 

  • a verbal adjective that describes obligation or necessity, equivalent in form to the future passive participle. 

adj
  • gerundial 

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