There are many synonyms for the term "alliance corporation", which is a type of business relationship where two or more companies come together for a common purpose. Some possible synonyms include partnership, joint venture, collaboration, consortium, merger, and strategic alliance. Each of these terms has its own nuanced meaning, but all refer to a type of business arrangement where multiple companies work together to achieve a shared goal or objective. This could involve combining resources, sharing intellectual property, or simply pooling their expertise and knowledge. Depending on the specific context and industry, different synonyms for alliance corporation may be more appropriate or commonly used.