Trappist vs Cistercian

Trappist and Cistercian both are nouns.

Word	Noun	Adjective	Verb	Adverb
Trappist	Yes	No	No	No
Cistercian	Yes	No	No	No

As nouns, Trappist and Cistercian are synonyms defined as:

Trappist and Cistercian: member of an order of monks noted for austerity and a vow of silence

Trappist (noun)	Cistercian (noun)
member of an order of monks noted for austerity and a vow of silence	member of an order of monks noted for austerity and a vow of silence