percolator vs coffeepot

percolator and coffeepot both are nouns.

Word	Noun	Adjective	Verb	Adverb
percolator	Yes	No	No	No
coffeepot	Yes	No	No	No

As nouns, coffeepot is a hypernym of percolator; that is, coffeepot is a word with a broader meaning than percolator:

percolator: a coffeepot in which boiling water ascends through a central tube and filters back down through a basket of ground coffee beans
coffeepot: tall pot in which coffee is brewed

percolator (noun)	coffeepot (noun)
a coffeepot in which boiling water ascends through a central tube and filters back down through a basket of ground coffee beans	tall pot in which coffee is brewed