soft drug vs bhang

soft drug and bhang both are nouns.

Word	Noun	Adjective	Verb	Adverb
soft drug	Yes	No	No	No
bhang	Yes	No	No	No

As nouns, bhang is a hyponym of soft drug; that is, bhang is a word with a more specific, narrower meaning than soft drug:

soft drug: a drug of abuse that is considered relatively mild and not likely to cause addiction
bhang: a preparation of the leaves and flowers of the hemp plant; much used in India

Other hyponyms of soft drug include cannabis, ganja, marihuana, marijuana, haschisch, hash, hasheesh, hashish.

soft drug (noun)	bhang (noun)
a drug of abuse that is considered relatively mild and not likely to cause addiction	a preparation of the leaves and flowers of the hemp plant; much used in India