stopple vs plug

stopple and plug both are nouns.

Word	Noun	Adjective	Verb	Adverb
stopple	Yes	No	Yes	No
plug	Yes	No	Yes	No

As nouns, stopple and plug are synonyms defined as:

stopple and plug: blockage consisting of an object designed to fill a hole tightly

Other synonyms of stopple include stopper.

As verbs, plug is a hypernym of stopple; that is, plug is a word with a broader meaning than stopple:

Other hypernyms of stopple include secure, stop up.

stopple (noun)	plug (noun)
blockage consisting of an object designed to fill a hole tightly	an old or over-worked horse
	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

stopple (verb)	plug (verb)
close or secure with or as if with a stopper	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