unsettled vs changeable

unsettled and changeable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unsettled	No	Yes	No	No
changeable	No	Yes	No	No

As adjectives, unsettled and changeable are synonyms defined as:

Other synonyms of unsettled include uncertain.

unsettled (adjective)	changeable (adjective)
not settled or established	such that alteration is possible; having a marked tendency to change
still in doubt	capable of or tending to change in form or quality or nature
not yet settled	varying in color when seen in different lights or from different angles
subject to change	subject to change