* Noun: This is the most common usage. It refers to a building used as a residence.
* Example: "We bought a new house."
* Verb: It can be used to mean to provide shelter or lodging.
* Example: "The hotel houses over 100 guests."
* Adjective: Used to describe something related to a house.
* Example: "We have a house plant."
Let me know if you have a specific sentence in mind, and I can tell you what part of speech "house" is in that context!