If you are looking for a "paper" or list to study from, these curated resources are frequently used by C1 candidates:

A Wortliste, also known as a vocabulary list, is a collection of words and phrases that are commonly used in a particular language or context. In the context of the Goethe Zertifikat C1, a Wortliste refers to a list of words and phrases that are relevant to the exam and can help candidates prepare for the vocabulary section of the test.

: This guide details the exam objectives and includes a thematic overview of the topics you need to master, such as Umwelt (Environment), Wirtschaft (Economy), and Wissenschaft (Science). Recommended Vocabulary Resources

While the Goethe-Institut provides official vocabulary lists for levels A1 through B1, . At this advanced stage, learners are expected to have a vast, flexible vocabulary that cannot be easily contained in a single document.

Instead, you will find:

Since the official list doesn't exist, serious candidates use a combination of resources. Here are the best "links" and strategies to master C1 vocabulary.