What part of speech is rotate?

"Rotate" can be either a verb or a noun, depending on how it's used in a sentence.

Verb:

* Example: "The Earth rotates on its axis." (Here, "rotate" describes the action of the Earth.)

Noun:

* Example: "The company implemented a three-month job rotate." (Here, "rotate" refers to the act of rotating or the system of rotating.)

So, you need to look at the context of the sentence to determine which part of speech "rotate" is.