I vs L

I

character
  • The ninth letter of the English alphabet, called i and written in the Latin script. 

pron
  • The speaker or writer, referred to as the grammatical subject, of a sentence. 

  • The speaker or writer, referred to as the grammatical object, of a sentence. 

noun
  • Interstate. 

  • The ego. 

L

character
  • The twelfth letter of the English alphabet, called el and written in the Latin script. 

noun
  • The statistic for the number of losses by a team or player limited by some criteria (e.g. this season, at home, on turf). 

adj
  • Subpar, of inferior quality. 

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