What is a suffix for caution?

There isn't a direct suffix specifically for "caution." However, there are a few ways to express caution using suffixes:

* -ary: This suffix can be used to create adjectives from nouns, indicating a characteristic or quality. For example, "cautionary" means "serving as a warning or reminder."

* -ous: This suffix can also be used to form adjectives from nouns, indicating a state or condition. For example, "cautious" means "showing or acting with caution."

* -ness: This suffix creates nouns from adjectives, indicating a quality or state. For example, "cautiousness" means "the quality or state of being cautious."

So, while there isn't a specific suffix for "caution," you can use -ary, -ous, or -ness to create related adjectives or nouns.