What is the suffix for nature?

There isn't a single specific suffix for "nature." However, there are several suffixes used to create words related to nature, depending on the specific meaning you want to convey:

Suffixes indicating "related to nature":

* -al: natural, herbal, mineral

* -ic: organic, rustic, aquatic

* -ous: nervous, poisonous, treacherous

Suffixes indicating "a person who studies nature":

* -ist: naturalist, botanist, zoologist

Suffixes indicating "the science of nature":

* -ology: biology, geology, ecology

Suffixes indicating "the state of being natural":

* -ness: wildness, naturalness

Other related suffixes:

* -scape: landscape, seascape

* -craft: woodcraft, horticulture

The best suffix to use will depend on the specific context and the intended meaning.