Your friendly reporter, live (ok, 2 months ago) from vacation in Brazil (on the border, but still technically Brazil here) at the world famous Iguacu Falls.
Interestingly, the word is really just Iguacu. Why, because "I" (pronounced like the letter 'e') means water.
Why is this interesting? Because the word for water in the spot in Indonesia I work in is, yup - you guessed it, "I" (pronounced like the letter 'e')