ever-changing vs changing

ever-changing and changing both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ever-changing	No	Yes	No	No
changing	No	Yes	No	No

As adjectives, ever-changing and changing are synonyms defined as:

ever-changing and changing: marked by continuous change or effective action

ever-changing (adjective)	changing (adjective)
marked by continuous change or effective action	marked by continuous change or effective action