What part of speech is the word rule?

The word "rule" can be several parts of speech, depending on how it's used in a sentence:

* Noun: A rule is a regulation or principle that governs behavior.

* Example: "The school has a strict rule about no phones in class."

* Verb: To rule means to govern, control, or decide.

* Example: "The king ruled the kingdom for 50 years."

* Adjective: Rule can be used as an adjective meaning regular, customary, or standard.

* Example: "It's a rule practice to wear a uniform."

To determine the part of speech, you need to consider the context of the sentence.