How do you use the word tread in a sentence?

In general, to tread is to walk. Here are some sentences:

The boys would tread lightly as the went past the spooky old house at night.

The clean up crew had to tread carefully as they made their way through the cluttered house of the hoarder.

Those are uses of the verb tread. The Word tread can be a noun, like the step on a staircase. Example sentences are here:

The second tread on the old stair creaked noisily as the woman stepped on it.

The tread on the tire was worn dangerously thin, and this may have contributed to the crash.