soft drug vs haschisch

soft drug and haschisch both are nouns.

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

As nouns, haschisch is a hyponym of soft drug; that is, haschisch 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
haschisch: purified resinous extract of the hemp plant; used as a hallucinogen

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

soft drug (noun)	haschisch (noun)
a drug of abuse that is considered relatively mild and not likely to cause addiction	purified resinous extract of the hemp plant; used as a hallucinogen