electroshock vs galvanism

electroshock and galvanism both are nouns.

Word	Noun	Adjective	Verb	Adverb
electroshock	Yes	No	No	No
galvanism	Yes	No	No	No

As nouns, galvanism is a hypernym of electroshock; that is, galvanism is a word with a broader meaning than electroshock:

electroshock: the administration of a strong electric current that passes through the brain to induce convulsions and coma
galvanism: the therapeutic application of electricity to the body (as in the treatment of various forms of paralysis)

Other hypernyms of electroshock include electric healing, electrical healing, electrotherapy, shock therapy, shock treatment.

electroshock (noun)	galvanism (noun)
the administration of a strong electric current that passes through the brain to induce convulsions and coma	the therapeutic application of electricity to the body (as in the treatment of various forms of paralysis)
	electricity produced by chemical action