Hinduism vs Darsana

Hinduism and Darsana both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hinduism	Yes	No	No	No
Darsana	Yes	No	No	No

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

Hinduism: 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
Darsana: (from the Sanskrit word for `to see') one of six orthodox philosophical systems or viewpoints on the nature of reality and the release from bondage to karma

Hinduism (noun)	Darsana (noun)
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	(from the Sanskrit word for `to see') one of six orthodox philosophical systems or viewpoints on the nature of reality and the release from bondage to karma
the religion of most people in India, Bangladesh, Sri Lanka, and Nepal