prayer vs demagogy

prayer and demagogy both are nouns.

Word	Noun	Adjective	Verb	Adverb
prayer	Yes	No	No	No
demagogy	Yes	No	No	No

As nouns, demagogy is a hyponym of prayer; that is, demagogy is a word with a more specific, narrower meaning than prayer:

prayer: earnest or urgent request
demagogy: impassioned appeals to the prejudices and emotions of the populace

prayer (noun)	demagogy (noun)
the act of communicating with a deity (especially as a petition or in adoration or contrition or thanksgiving)	impassioned appeals to the prejudices and emotions of the populace
earnest or urgent request
a fixed text used in praying
reverent petition to a deity
someone who prays to God