The Amazon People are an indigenous group of people who live in the Amazon rainforest. They are also known as the Tupi people, which is a four-letter word that can be used to solve the crossword puzzle. The Tupi people have a long history of living in the Amazon rainforest and have a deep connection to the land and its resources. They are known for their traditional knowledge of the environment and their sustainable practices. They are also known for their unique language, which is still spoken by many of the Amazon People today.