caste vs Hindooism

caste and Hindooism both are nouns.

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

caste (noun)	Hindooism (noun)
in some social insects (such as ants) a physically distinct individual or group of individuals specialized to perform certain functions in the colony	a body of religious and philosophical beliefs and cultural practices native to India and based on a caste system; it is characterized by a belief in reincarnation, by a belief in a supreme being of many forms and natures, by the view that opposing theories are aspects of one eternal truth, and by a desire for liberation from earthly evils
a social class separated from others by distinctions of hereditary rank or profession or wealth	the religion of most people in India, Bangladesh, Sri Lanka, and Nepal
(Hinduism) a hereditary social class among Hindus; stratified according to ritual purity
social status or position conferred by a system based on class