Abecedarian vs religious order

Abecedarian and religious order both are nouns.

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

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

Abecedarian: a 16th century sect of Anabaptists centered in Germany who had an absolute disdain for human knowledge
religious order: a subdivision of a larger religious group

Other hypernyms of Abecedarian include religious sect, sect.

Abecedarian (noun)	religious order (noun)
a 16th century sect of Anabaptists centered in Germany who had an absolute disdain for human knowledge	a subdivision of a larger religious group