Hinduism vs Vedanta

Hinduism and Vedanta both are nouns.

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

As nouns, Vedanta is a hyponym of Hinduism; that is, Vedanta 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
Vedanta: (from the Sanskrit for `end of the Veda') one of six orthodox philosophical systems or viewpoints rooted in the Upanishads as opposed to Mimamsa which relies on the Vedas and Brahmanas

Hinduism (noun)	Vedanta (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 for `end of the Veda') one of six orthodox philosophical systems or viewpoints rooted in the Upanishads as opposed to Mimamsa which relies on the Vedas and Brahmanas
the religion of most people in India, Bangladesh, Sri Lanka, and Nepal