I vs i

I

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

• 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. 

• Interstate. 

• The ego. 

i

• The name of the Latin-script letter I/i. 

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