The word "insanes" does not exist in the English language. However, if we consider the word "insane" as the base word, there are several synonyms that can be used to describe a state of madness or irrational behavior. Some of these synonyms include "crazy," "mad," "deranged," "unhinged," "delirious," "lunatic," "psychotic," "unbalanced," "maniacal," and "mentally ill." Each of these synonyms can be used in specific contexts to describe different aspects of irrational behavior. While they cannot be used interchangeably, they do offer alternatives to the word "insane," providing a broader and varied vocabulary to describe different mental states.