sisterhood vs religious order

sisterhood and religious order both are nouns.

Word	Noun	Adjective	Verb	Adverb
sisterhood	Yes	No	No	No
religious order	Yes	No	No	No

As nouns, religious order is a hypernym of sisterhood; that is, religious order is a word with a broader meaning than sisterhood:

sisterhood: a religious society of women who live together as sisters (especially an order of nuns)
religious order: a subdivision of a larger religious group

Other hypernyms of sisterhood include religious sect, sect.

sisterhood (noun)	religious order (noun)
a religious society of women who live together as sisters (especially an order of nuns)	a subdivision of a larger religious group
an association or society of women who are linked together by a common religion or trade or interest
the kinship relation between a female offspring and the siblings