menopause vs climacteric

menopause and climacteric both are nouns.

Word	Noun	Adjective	Verb	Adverb
menopause	Yes	No	No	No
climacteric	Yes	No	No	No

As nouns, menopause and climacteric are synonyms defined as:

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

Other synonyms of menopause include change of life.

menopause (noun)	climacteric (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
	a period in a man's life corresponding to menopause