hashish vs haschisch

hashish and haschisch both are nouns.

Word	Noun	Adjective	Verb	Adverb
hashish	Yes	No	No	No
haschisch	Yes	No	No	No

As nouns, hashish and haschisch are synonyms defined as:

hashish and haschisch: purified resinous extract of the hemp plant; used as a hallucinogen

Other synonyms of hashish include hash, hasheesh.

hashish (noun)	haschisch (noun)
purified resinous extract of the hemp plant; used as a hallucinogen	purified resinous extract of the hemp plant; used as a hallucinogen