candy store vs confectionery

candy store and confectionery both are nouns.

Word	Noun	Adjective	Verb	Adverb
candy store	Yes	No	No	No
confectionery	Yes	No	No	No

As nouns, candy store and confectionery are synonyms defined as:

Other synonyms of candy store include confectionary.

candy store (noun)	confectionery (noun)
a confectioner's shop	the occupation and skills of a confectioner
	a confectioner's shop
	candy and other sweets considered collectively