plug vs electrical device

plug and electrical device both are nouns.

Word	Noun	Adjective	Verb	Adverb
plug	Yes	No	Yes	No
electrical device	Yes	No	No	No

As nouns, electrical device is a hypernym of plug; that is, electrical device is a word with a broader meaning than plug:

plug: electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark
electrical device: a device that produces or is powered by electricity

As nouns, electrical device is a hypernym of plug; that is, electrical device is a word with a broader meaning than plug:

plug: an electrical device with two or three pins that is inserted in a socket to make an electrical connection
electrical device: a device that produces or is powered by electricity

plug (noun)	electrical device (noun)
an old or over-worked horse	a device that produces or is powered by electricity
blockage consisting of an object designed to fill a hole tightly
an upright hydrant for drawing water to use in fighting a fire
electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark
an electrical device with two or three pins that is inserted in a socket to make an electrical connection
blatant or sensational promotion
a wad of something chewable as tobacco

plug (verb)	electrical device (verb)
persist in working hard
insert as a plug
insert a plug into
replace the center of a coin with a baser metal
make a plug for; praise the qualities or in order to sell or promote
deliver a quick blow to
fill or close tightly with or as if with a plug