1) Amazon native 2) Amazon valley people 3) American indian grouping 4) Indigenous Brazilians 5) Native american boy name 6) Native brazilian 7) Paraguayan people 8) South american indian Found on https://www.crosswordclues.com/clue/tupi
• (n.) An Indian of the tribe from which the Tupian stock takes its name, dwelling, at the advent of the Portuguese, about the mouth of the Amazon. Also, their language, which is the basis of the Indian trade language of the Amazon. Found on http://thinkexist.com/dictionary/meaning/tupi/
a member of any of several related Indian peoples living in the valleys of various Brazilian rivers, esp. the Amazon. · the language spoken in northern Brazil by the Tupi Indians. Found on https://www.infoplease.com/dictionary/tupi