changeful vs exchangeable

changeful and exchangeable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
changeful	No	Yes	No	No
exchangeable	No	Yes	No	No

changeful (adjective)	exchangeable (adjective)
such that alteration is possible; having a marked tendency to change	suitable to be exchanged
	capable of being exchanged for or replaced by something of equal value
	capable of replacing or changing places with something else; permitting mutual substitution without loss of function or suitability