Wood from trees.

From start to end, from left to right, how long something lives or how big something is in length.

The middle of something, such as if you have short friends, tall friends, but you are neither tall nor short, you are average height; also in math.

A division between two countries.

Wet, like water.

The pollen / honey inside a flower.

The steps for doing something.

It's okay to use or have.

What a caterpillar wraps itself in before it becomes a butterfly.

To flap wings like a bird.