as if vs though

as if

conj
  • As though; in a manner suggesting. 

  • In mimicry of. 

intj
  • Refers to something that the speaker deems highly unlikely. 

though

conj
  • Despite the fact that; although. 

adv
  • Used to intensify statements or questions; indeed. 

  • Despite that; however. 

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