thee vs u

thee

noun
  • The letter ⟨(⟩, which stands for the th sound /ð/ in Pitman shorthand. 

verb
  • To address (a person) using the pronoun thee. 

  • To use the word thee. 

u

noun
  • A thing in the shape of the letter U 

  • The name of the Latin-script letter U/u. 

character
  • The twenty-first letter of the English alphabet, called u and written in the Latin script. 

pron
  • you (in text messaging and internet conversations) 

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