What is a suffix for ripe?

There isn't a common suffix specifically for "ripe". However, depending on the context, you might consider using:

-ness: This creates a noun indicating the state of being ripe, like ripeness.

-ing: This forms a present participle, indicating the process of becoming ripe, like ripening.

-en: This forms a verb indicating the act of making something ripe, like ripen.

It's important to choose the appropriate suffix based on the specific meaning you want to convey.