otherwise vs though

otherwise

adv
  • Differently, in another way. 

  • In different circumstances; or else. 

  • In all other respects. 

adj
  • Other than supposed; different. 

though

adv
  • Despite that; however. 

  • Used to intensify statements or questions; indeed. 

conj
  • Despite the fact that; although. 

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