as and when vs where

as and when

conj
  • as soon as 

where

conj
  • While on the contrary; although; whereas. 

  • In, at or to the place (that) or a place (that). 

  • In a position, case, etc. in which; if. 

  • In, at or to which place or situation. 

  • In, at or to any place (that); wherever; anywhere. 

noun
  • The place in which something happens. 

adv
  • In, at or to which. 

  • The place in, at or to which. 

  • What place. 

  • Interrogative adverb, used in either a direct or indirect question: in, at or to what place. 

  • where are. 

  • In what situation. 

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