five-spot vs nickel

five-spot and nickel both are nouns.

Word	Noun	Adjective	Verb	Adverb
five-spot	Yes	No	No	No
nickel	Yes	No	Yes	No

As nouns, nickel is a hyponym of five-spot; that is, nickel is a word with a more specific, narrower meaning than five-spot:

Other hyponyms of five-spot include nickel note.

five-spot (noun)	nickel (noun)
a playing card or a domino or a die whose upward face shows five pips	a United States coin worth one twentieth of a dollar
California annual having white flowers with a deep purple blotch on each petal	five dollars worth of a drug
a United States bill worth 5 dollars	a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite

five-spot (verb)	nickel (verb)
	plate with nickel