as soon as vs such as

as soon as

prep

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

conj

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

  • Used to indicate that the first action mentioned is as likely as, or is preferred to, the second action mentioned. 

  • At the moment when; immediately after. 

such as

prep

  • Like, of the kind mentioned. 

  • For example. 

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