Sorbian is a word that refers to a group of Slavic languages spoken in eastern Germany. However, there are several synonyms that can be used to describe this word. Firstly, it can be referred to as Lusatian, which derives from the region of Lusatia where Sorbian is spoken. Additionally, it can be called Wendish, which is an older name for the same language group, or Spreewaldic, which refers to the dialect spoken in the Spreewald region. Lastly, Sorbian can be referred to as Upper or Lower Sorbian, which are the two main variants of the language. Overall, there are several ways to describe Sorbian, each with their own unique etymology and history.