sex segregation vs purdah

sex segregation and purdah both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex segregation	Yes	No	No	No
purdah	Yes	No	No	No

As nouns, sex segregation and purdah are synonyms defined as:

sex segregation and purdah: the traditional Hindu or Muslim system of keeping women secluded

sex segregation (noun)	purdah (noun)
the traditional Hindu or Muslim system of keeping women secluded	a screen used in India to separate women from men or strangers
	the traditional Hindu or Muslim system of keeping women secluded
	a state of social isolation