catechumen vs student

catechumen and student both are nouns.

Word	Noun	Adjective	Verb	Adverb
catechumen	Yes	No	No	No
student	Yes	No	No	No

As nouns, student is a hypernym of catechumen; that is, student is a word with a broader meaning than catechumen:

catechumen: a new convert being taught the principles of Christianity by a catechist
student: a learner who is enrolled in an educational institution

Other hypernyms of catechumen include educatee, pupil.

catechumen (noun)	student (noun)
a new convert being taught the principles of Christianity by a catechist	a learner who is enrolled in an educational institution
	someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs