As adjectives the difference between changeless and unchangeable
is that changeless is unchanging while unchangeable is not changeable; incapable of being changed or of changing; immutable.
As a noun unchangeable is
something that cannot be changed.
unchangeable
English
Adjective
(-)
Not changeable; incapable of being changed or of changing; immutable.
Noun
(
en noun)
Something that cannot be changed.
References
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