Interchangeable (adjective)

1. Able to be used in place of something else.
2. Identical or very similar in function.

Origin:

Early 19th century: from interchangeable, from the verb interchange (see interchange).

Examples:

1. The parts are interchangeable and can be used in any model.
2. The two products are interchangeable and can be used for the same purpose.
3. The company produces interchangeable parts for different machines.
4. The team's players are interchangeable and can play different positions.
5. The words "interchangeable" and "substitutable" are often used interchangeably.