Common Suffixes:
* -al: Natural (adjective, meaning relating to nature)
* -ist: Naturalist (noun, a person who studies nature)
* -ism: Naturalism (noun, a philosophy that emphasizes natural processes)
* -ly: Naturally (adverb, meaning in a natural way)
* -istic: Naturalistic (adjective, resembling nature)
Less Common Suffixes:
* -esque: Nature-esque (adjective, having a quality reminiscent of nature)
* -hood: Naturehood (noun, the state or quality of being natural)
* -ian: Natureian (noun, a person who believes in nature)
* -ology: Natureology (noun, the study of nature)
Note: Some of these combinations, like "Naturehood" or "Natureian", are not commonly used words but are grammatically correct. The specific suffix you choose will depend on the meaning you want to convey.