sink plug vs stopple

sink plug and stopple both are nouns.

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

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

sink plug: A plug intended for washbasins, bath tubs and other similar water containers.
stopple: blockage consisting of an object designed to fill a hole tightly

Other hypernyms of sink plug include plug, stopper.

sink plug (noun)	stopple (noun)
A plug intended for washbasins, bath tubs and other similar water containers.	blockage consisting of an object designed to fill a hole tightly

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