religious vs Jesuit

religious and Jesuit both are nouns.

Word	Noun	Adjective	Verb	Adverb
religious	Yes	Yes	No	No
Jesuit	Yes	Yes	No	No

As nouns, Jesuit is a hyponym of religious; that is, Jesuit is a word with a more specific, narrower meaning than religious:

religious: a member of a religious order who is bound by vows of poverty and chastity and obedience
Jesuit: a member of the Jesuit order

Other hyponyms of religious include friar, mendicant, monastic, monk, Benedictine, nun, eremite, cenobite, coenobite, superior, votary.

religious (noun)	Jesuit (noun)
a member of a religious order who is bound by vows of poverty and chastity and obedience	a member of the Jesuit order

religious (adjective)	Jesuit (adjective)
having or showing belief in and reverence for a deity	having qualities characteristic of Jesuits or Jesuitism
of or relating to clergy bound by monastic vows
concerned with sacred matters or religion or the church
extremely scrupulous and conscientious