as long as vs though

as long as

conj
  • Provided that, if, assuming (depending upon some condition or requirement). 

  • Used other than figuratively or idiomatically: see as, long. 

  • While, Since 

though

conj
  • Despite the fact that; although. 

adv
  • Used to intensify statements or questions; indeed. 

  • Despite that; however. 

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