What is the suffix for pressure?

There isn't a single, universally used suffix for "pressure." However, depending on the context, you might use the following:

-pressure: This is the most common and straightforward way to form words related to pressure, such as "blood pressure," "air pressure," or "water pressure."

-baric: This suffix is used in scientific contexts and refers to pressure. For example, "isobaric" means "having constant pressure."

-tension: This suffix is used for specific types of pressure, often related to mental or emotional stress. Examples include "tension headache" or "high tension."

Ultimately, the most appropriate suffix will depend on the specific meaning you want to convey.