change of life vs menopause

change of life and menopause both are nouns.

Word	Noun	Adjective	Verb	Adverb
change of life	Yes	No	No	No
menopause	Yes	No	No	No

As nouns, change of life and menopause are synonyms defined as:

change of life and menopause: the time in a woman's life in which the menstrual cycle ends

Other synonyms of change of life include climacteric.

change of life (noun)	menopause (noun)
the time in a woman's life in which the menstrual cycle ends	the time in a woman's life in which the menstrual cycle ends