Here are some examples:
* A chemical compound: "Water is a compound made of hydrogen and oxygen."
* A complex structure: "The building was a large, gated compound."
* A word made of two or more parts: "The word "butterfly" is a compound word."
However, "compound" can also be an adjective, verb, or adverb depending on its use in a sentence.
For example:
* Adjective: "The compound interest earned on the investment was substantial."
* Verb: "The company compounded its problems by making poor decisions."
* Adverb: "He compounded his anger by shouting at everyone."
So, to determine the part of speech of "compound" in a specific sentence, you need to look at how it's used in that sentence.