Как по Английски будет взаимозаменяемый

adjective

Able to be exchanged by its owner for something else

Примеры использования:

Exchangeable for sth the bonds will be exchangeable for shares or cash., exchangeable into sth drac…

adjective

Liable to change.

Примеры использования:

It is a very permutable undertaking trying to develop discovery park.

adjective

(of goods contracted for without an individual specimen being specified) replaceable by another identical item; mutually interchangeable.

Примеры использования:

It is by no means the world's only fungible commodity

adjective

(of two things) able to be interchanged.

Примеры использования:

Eyepieces are interchangeable and one can use any eyepiece with any telescope