A fixture is an item that is securely attached to a structure or object, such as a piece of furniture or a building. An ATTACHMENT is a 10 letter word for something that is added to a larger object, such as a part of a machine or a piece of clothing. An ADDITION is an 8 letter word for something that is added to a larger object, such as a room in a house or a feature in a program. An INSTITUTION is an 11 letter word for an established organization, such as a school or a government agency. A TIE is a 3 letter word for a connection between two things, such as a relationship between two people or a link between two ideas.