unconvertible vs unexchangeable

unconvertible and unexchangeable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unconvertible	No	Yes	No	No
unexchangeable	No	Yes	No	No

As adjectives, unconvertible and unexchangeable are synonyms defined as:

unconvertible and unexchangeable: used especially of currencies; incapable of being exchanged for or replaced by another currency of equal value

Other synonyms of unconvertible include inconvertible.

unconvertible (adjective)	unexchangeable (adjective)
used especially of currencies; incapable of being exchanged for or replaced by another currency of equal value	not suitable to be exchanged
	used especially of currencies; incapable of being exchanged for or replaced by another currency of equal value