always vs though

always

adv
  • In any event. 

  • At all times; throughout all time; since the beginning. 

  • Constantly during a certain period, or regularly at stated intervals (opposed to sometimes or occasionally). 

though

adv
  • Despite that; however. 

  • Used to intensify statements or questions; indeed. 

conj
  • Despite the fact that; although. 

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