required course vs class

required course and class both are nouns.

Word	Noun	Adjective	Verb	Adverb
required course	Yes	No	No	No
class	Yes	No	Yes	No

As nouns, class is a hypernym of required course; that is, class is a word with a broader meaning than required course:

Other hypernyms of required course include course, course of instruction, course of study.

required course (noun)	class (noun)
a course that all students are required to take	education imparted in a series of lessons or meetings
	elegance in dress or behavior
	a collection of things sharing a common attribute
	people having the same social, economic, or educational status
	(biology) a taxonomic group containing one or more orders
	a body of students who are taught together
	a body of students who graduate together
	a league ranked by quality

required course (verb)	class (verb)
	arrange or order by classes or categories