commutable vs incommutable

commutable and incommutable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
commutable	No	Yes	No	No
incommutable	No	Yes	No	No

commutable (adjective)	incommutable (adjective)
subject to alteration or change	not subject to alteration or change
capable of being exchanged for another or for something else that is equivalent	not interchangeable or able to substitute one for another