hole plug vs stopple

hole plug and stopple both are nouns.

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

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

hole plug: A small, flat plug made of plastic, metal or wood, used to cover holes and visible screws in furniture.
stopple: blockage consisting of an object designed to fill a hole tightly

Other hypernyms of hole plug include plug, stopper.

hole plug (noun)	stopple (noun)
A small, flat plug made of plastic, metal or wood, used to cover holes and visible screws in furniture.	blockage consisting of an object designed to fill a hole tightly

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