as much as vs though

as much as

conj
  • Even though; despite the fact that 

  • Used to say that two things are equal in amount or degree 

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

  • Used to say that an amount is as large as another amount 

adv
  • So much as, even. 

  • Practically, just as, no less than; indicates an action tantamount to, but not identical to, the action described. 

though

conj
  • Despite the fact that; although. 

adv
  • Used to intensify statements or questions; indeed. 

  • Despite that; however. 

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