monastic vs cloistral

monastic is a noun but cloistral is not a noun.

Word	Noun	Adjective	Verb	Adverb
monastic	Yes	Yes	No	No
cloistral	No	Yes	No	No

As adjectives, monastic and cloistral are synonyms defined as:

monastic and cloistral: of communal life sequestered from the world under religious vows

Other synonyms of monastic include cloistered, conventual, monastical.

monastic (noun)	cloistral (noun)
a male religious living in a cloister and devoting himself to contemplation and prayer and work

monastic (adjective)	cloistral (adjective)
of communal life sequestered from the world under religious vows	of communal life sequestered from the world under religious vows