uncertain vs changeable

uncertain and changeable both are adjectives.

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

As adjectives, uncertain and changeable are synonyms defined as:

Other synonyms of uncertain include unsettled.

uncertain (adjective)	changeable (adjective)
not established beyond doubt; still undecided or unknown	such that alteration is possible; having a marked tendency to change
lacking or indicating lack of confidence or assurance	capable of or tending to change in form or quality or nature
not certain to occur; not inevitable	varying in color when seen in different lights or from different angles
not established or confirmed	subject to change
ambiguous (especially in the negative)
not consistent or dependable
subject to change