interchangeable
Definitions
Capable of being put or used in the place of another.
Capable of being exchanged with one another without significant difference or loss of function.
Examples
The two batteries are interchangeable, so you can use either one in the device.
In this context, the terms 'empathy' and 'sympathy' are often treated as interchangeable by casual speakers.
Synonyms
exchangeable substitutable equivalent fungible commutable tantamount reciprocal
Antonyms
distinct unique incompatible different non-interchangeable unexchangeable disparate