Another word for interchangeable

But it is possible that the terms at an early date were interchangeable, Canaan being geographical and Amorite ethnical.

This cipher alphabet is called Albam, from the first interchangeable pairs.

In the level the eye-piece and object-glass are interchangeable, to facilitate adjustment for collimation.

If an element be present in a compound otherwise than as an ion, it is not interchangeable, and cannot be recognized by the usual tests.

Nor are the terms interchangeable now; for not all metropolitans are archbishops,' nor all archbishops metropolitans.