though vs virtually

though

adv
  • Despite that; however. 

  • Used to intensify statements or questions; indeed. 

conj
  • Despite the fact that; although. 

virtually

adv
  • In essence, but not in fact. 

  • Of a covering space of finite index. 

  • By computer or in cyberspace 

  • Of a substructure of finite index. 

  • Without exaggeration. 

  • Almost but not quite. 

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