mobile vs changeable

mobile is a noun but changeable is not a noun.

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

mobile (noun)	changeable (noun)
sculpture suspended in midair whose delicately balanced parts can be set in motion by air currents

mobile (adjective)	changeable (adjective)
moving or capable of moving readily (especially from place to place)	such that alteration is possible; having a marked tendency to change
having transportation available	capable of or tending to change in form or quality or nature
migratory	varying in color when seen in different lights or from different angles
affording change (especially in social status)	subject to change
capable of changing quickly from one state or condition to another