Synonyms of exchangeable

2 Syllables
mutual
3 Syllables
swappable, switchable, modular, fungible
4 Syllables
replaceable, commutable, returnable, transmutable, workalike, consignable, reciprocal, equivalent, transferable, convertible
5 Syllables
complementary, substitutable, interchangeable, correlative, substitutive
6 Syllables
interconvertible, reciprocatory