impactive vs resultant

impactive

adj
  • Of, pertaining to, possessing, or caused by impact. 

resultant

adj
  • following as a result or consequence of something; resulting. 

noun
  • a vector that is the vector sum of multiple vectors 

  • anything that results from something else; an outcome 

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