* Noun: This is the most common usage, referring to the act of separating or the state of being separated.
* Example: "The separation of church and state is a fundamental principle."
* Verb: It can be used as a verb, meaning to divide or split something.
* Example: "They separated the recycling from the trash."
* Adjective: While less common, it can also be used as an adjective, meaning "separated" or "distinct."
* Example: "The two groups are separation in their beliefs."
To determine the part of speech, you'll need to look at the context of the sentence and how the word is being used.