What suffix can be used with derange?

The most common suffix used with "derange" is -ment. This creates the noun derangement, meaning "a state of mental instability, especially when severe."

Here are a few other less common suffixes that could be used with "derange":

* -ing: While not as common, "deranging" can be used as a verb, meaning "to make someone insane or mentally unstable."

* -ed: This creates the past tense and past participle form of the verb "derange," meaning "made insane or mentally unstable."

However, it's important to note that using suffixes other than "-ment" with "derange" is not as widely accepted and may not be understood by everyone.