changeless vs immutable

changeless and immutable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
changeless	No	Yes	No	No
immutable	No	Yes	No	No

As adjectives, changeless and immutable are synonyms defined as:

changeless and immutable: not subject or susceptible to change or variation in form or quality or nature

changeless (adjective)	immutable (adjective)
not subject or susceptible to change or variation in form or quality or nature	not subject or susceptible to change or variation in form or quality or nature
unvarying in nature	constant and unchanging
remaining the same for indefinitely long times