us vs you

us

det
  • The speakers/writers, or the speaker/writer and at least one other person. 

pron
  • Me. 

  • Our. 

  • Me and at least one other person; the objective case of we. 

  • Me (in all contexts). 

you

det
  • The individual or group spoken or written to. 

  • Used before epithets, describing the person being addressed, for emphasis. 

pron
  • Anyone, one; an unspecified individual or group of individuals (as subject or object). 

  • (To) yourselves, (to) yourself. 

  • The people spoken to or written to, as a subject. (Replacing ye.) 

  • The person spoken to or written to, as an object. (Replacing thee; originally as a mark of respect.) 

  • The people spoken, or written to, as an object. 

  • The person spoken to or written to, as a subject. (Originally as a mark of respect.) 

noun
  • The name of the Latin-script letter U. 

verb
  • To address (a person) using the pronoun you (in the past, especially to use you rather than thou, when you was considered more formal). 

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