"Wert case" is not a commonly used term and does not have any specific antonyms. However, it can be broken down into two parts - "wert" which is Old English for "were" and "case" which means a situation or circumstance. In this context, some possible antonyms for "case" could be success, triumph, victory, or favorable outcome. Conversely, antonyms for "wert" could be present tense forms such as "am" or "is". It is important to note that context plays a crucial role in determining the appropriate antonyms for any given word or phrase.