What are all the words in ancient language Inheritance Cycle?

You're likely referring to the "Inheritance Cycle" book series by Christopher Paolini. While the series features a made-up language called Ancient Language, it's not an actual ancient language like Latin or Greek.

Paolini created this language for the series, and it has its own vocabulary, grammar, and structure.

Here are some key words and phrases from the Ancient Language in the Inheritance Cycle:

* Eragon: The protagonist's name in the Ancient Language. It means "Dragon Rider."

* Saphira: The name of Eragon's dragon, meaning "Sapphire."

* Brisings: A powerful magical artifact, meaning "Necklace."

* Faelar: A powerful, ancient dragon, meaning "Swift Wind."

* Fírnen: The "First Rider," a powerful and ancient figure.

* Varden: The name of the rebellion against the Empire, meaning "Guardians" or "Defenders."

* Alagaësia: The name of the world where the story takes place, meaning "Land of Dragons."

* Urgal: A race of people from the north, meaning "Wild Ones."

* Dauthdaert: The Ancient Language word for "Dragon Slayer."

You can find more words and phrases in the books themselves, or you can look online for resources dedicated to the Ancient Language from the Inheritance Cycle.

Keep in mind, the Ancient Language is a fictional language created by Paolini, and its meaning and structure are specific to the Inheritance Cycle universe.