What are cinnamon and ginger an example of?

Cinnamon and ginger are examples of several things, depending on the context. Here are a few:

* Spices: Both are commonly used as spices, adding flavor and aroma to food and beverages.

* Rhizomes: Ginger is actually a rhizome, an underground stem that grows horizontally. Cinnamon is derived from the bark of a tree, but the flavor comes from the cinnamon bark itself.

* Medicinal plants: Both cinnamon and ginger have been used in traditional medicine for centuries for their potential health benefits.

* Plants in the Zingiberaceae family: Ginger is a member of the ginger family (Zingiberaceae), while cinnamon is a member of the laurel family (Lauraceae).

So, the specific answer depends on what you're interested in knowing!