shower vs showerhead

shower and showerhead both are nouns.

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

shower (noun)	showerhead (noun)
washing yourself by standing upright under water sprayed from a nozzle	a perforated nozzle that showers water on a bather
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

shower (verb)	showerhead (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