promoter vs shower

promoter and shower both are nouns.

Word	Noun	Adjective	Verb	Adverb
promoter	Yes	No	No	No
shower	Yes	No	Yes	No

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

Other hyponyms of promoter include exhibitioner, exhibitor, organ-grinder, porn merchant, pornographer.

promoter (noun)	shower (noun)
someone who is an active supporter and advocate	washing yourself by standing upright under water sprayed from a nozzle
a sponsor who books and stages public entertainments	a plumbing fixture that sprays water over you
	a sudden downpour (as of tears or sparks etc) likened to a rain shower
	a party of friends assembled to present gifts (usually of a specified kind) to a person
	a brief period of precipitation
	someone who organizes an exhibit for others to see

promoter (verb)	shower (verb)
	take a shower; wash one's body in the shower
	provide abundantly with
	spray or sprinkle with
	expend profusely; also used with abstract nouns
	rain abundantly