The word "autochthonal" is often used to describe indigenous or native populations. However, there are several synonyms that can be used in its place. Some examples include aboriginal, indigenous, native, tribal, and original. These words are used to describe populations that have lived in a certain area for generations and have a unique connection to the land and its history. Although they may differ in context and usage, each synonym conveys the idea of a population that is deeply rooted in a particular region or culture. By using these words, we can better appreciate and understand the rich diversity of cultures that exist around the world.