caste vs class

caste and class both are nouns.

Word	Noun	Adjective	Verb	Adverb
caste	Yes	No	No	No
class	Yes	No	Yes	No

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

caste: a social class separated from others by distinctions of hereditary rank or profession or wealth
class: people having the same social, economic, or educational status

Other hypernyms of caste include social class, socio-economic class, stratum.

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

caste: (Hinduism) a hereditary social class among Hindus; stratified according to ritual purity
class: people having the same social, economic, or educational status

Other hypernyms of caste include social class, socio-economic class, stratum.

caste (noun)	class (noun)
in some social insects (such as ants) a physically distinct individual or group of individuals specialized to perform certain functions in the colony	education imparted in a series of lessons or meetings
a social class separated from others by distinctions of hereditary rank or profession or wealth	elegance in dress or behavior
(Hinduism) a hereditary social class among Hindus; stratified according to ritual purity	a collection of things sharing a common attribute
social status or position conferred by a system based on class	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

caste (verb)	class (verb)
	arrange or order by classes or categories