Is there a prefix for the word bank?

There isn't a specific prefix that is commonly used with the word "bank". However, depending on the context, you could use prefixes to create related terms, such as:

For financial institutions:

* Inter-bank: Between banks (e.g., inter-bank transfer)

* Multi-bank: Involving multiple banks (e.g., multi-bank consortium)

* Off-bank: Outside of the traditional banking system (e.g., off-bank lending)

For other meanings of "bank":

* Riverbank: The edge of a river (e.g., the riverbank was lined with trees)

* Cloud bank: A formation of clouds (e.g., the sky was filled with cloud banks)

* Blood bank: A facility that stores blood for transfusions (e.g., the blood bank had a low supply of O-negative blood)

For other meanings, you could use prefixes like:

* Pre-bank: Before the existence of banks

* Post-bank: After the existence of banks

* Super-bank: A very large or powerful bank

* Mini-bank: A small or specialized bank

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