Quechuan is a term used to describe the indigenous people and language of the Andes region in South America. However, there are many synonyms for the term Quechuan, which can be used interchangeably. Some of these synonyms include Inca, Andean, Andean Native, Andean Indian, Quechua-speaking and Andean-American. These synonyms are used to describe the rich culture and language of Quechuan communities in South America. The Quechuan language is one of the most widely spoken indigenous languages in the world, and its unique features and rich history make it an important part of South American heritage. Whether you refer to these communities as Quechuan, Inca, or Andean, their culture remains an important part of the continent's identity.