mutable vs changeable

mutable and changeable both are adjectives.

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

As adjectives, mutable and changeable are synonyms defined as:

mutable and changeable: capable of or tending to change in form or quality or nature

mutable (adjective)	changeable (adjective)
capable of or tending to change in form or quality or nature	such that alteration is possible; having a marked tendency to change
tending to undergo genetic mutation	capable of or tending to change in form or quality or nature
prone to frequent change; inconstant	varying in color when seen in different lights or from different angles
	subject to change