1. Noun: This is the most common usage. It refers to the state of being an owner or the right to possess something.
* Example: "The company's ownership changed hands last year."
2. Verb: Less common, but still used. It means to have ownership of something.
* Example: "He owned a large collection of antique cars."
3. Adjective: Describes something that is related to ownership.
* Example: "This is the ownership document for the property."
4. Adverb: Less common, but can be used to modify a verb or adjective, indicating that something is done in a way related to ownership.
* Example: "He ownedly admitted to stealing the money."
So, to determine the correct part of speech for "ownership," consider the specific context of the sentence.