as it is vs though

as it is

adv
  • Used other than figuratively or idiomatically: see as, it, is. 

  • In the actual circumstances (and often contrary to expectations). 

  • Already; without adding further difficulty or complexity. 

though

adv
  • Used to intensify statements or questions; indeed. 

  • Despite that; however. 

conj
  • Despite the fact that; although. 

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