even so vs though

even so

adv
  • In spite of preceding a remark (or fact) within a given discourse. 

though

adv
  • Used to intensify statements or questions; indeed. 

  • Despite that; however. 

conj
  • Despite the fact that; although. 

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