"I" (first person singular pronoun)
"मैं"
English Usage: "Mai am going to the store."
Hindi Usage: "मैं दुकान जा रहा हूँ।"
"or" (used in comparisons)
"या"
English Usage: "Do you prefer coffee mai tea?"
Hindi Usage: "क्या आपको कॉफी या चाय पसंद है?"