tactical vs unbeneficial

tactical

noun
  • A combinator of proof tactics. 

  • A private war reenactment event involving mock battles or skirmishes. 

adj
  • of or relating to tactics 

  • of or relating to military operations that are smaller or more local than strategic ones 

  • adroit, skilful or ingenious 

  • having a military appearance, typically with accessories such as a bipod, adjustable stock, detachable magazine or black coloration 

unbeneficial

adj
  • Not beneficial. 

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