Open English Wordnet
Adjectives
(s)interchangeable(mathematics, logic) such that the arguments or roles can be interchanged“the arguments of the symmetric relation, `is a sister of,' are interchangeable”
(s)exchangeable, interchangeable, similar, standardized, standardisedcapable of replacing or changing places with something else; permitting mutual substitution without loss of function or suitability“interchangeable electric outlets”, “interchangeable parts”