What is a prefix for American?

There isn't a single, universally accepted prefix for "American". However, depending on the context, you might use some of these:

For location:

* Ameri-: This is the most common and straightforward prefix, often used in names like "AmeriCorps" or "AmeriCares."

* US-: This abbreviation is often used for organizations or initiatives related to the United States, like "US News & World Report."

For nationality:

* American-: This prefix is often used for terms related to American culture, history, or society, like "American Dream" or "American Civil War."

For specific contexts:

* Pan-American: This prefix refers to things relating to all of the Americas (North, Central, and South America).

* Latin American: This prefix refers to things relating to the countries of Latin America.

Ultimately, the best prefix to use depends on the specific meaning you want to convey.