psychodelic drug vs psychedelic drug

psychodelic drug and psychedelic drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
psychodelic drug	Yes	No	No	No
psychedelic drug	Yes	No	No	No

As nouns, psychodelic drug and psychedelic drug are synonyms defined as:

psychodelic drug and psychedelic drug: a psychoactive drug that induces hallucinations or altered sensory experiences

Other synonyms of psychodelic drug include hallucinogen, hallucinogenic drug.

psychodelic drug (noun)	psychedelic drug (noun)
a psychoactive drug that induces hallucinations or altered sensory experiences	a psychoactive drug that induces hallucinations or altered sensory experiences