chocolate kiss vs candy kiss

chocolate kiss and candy kiss both are nouns.

Word	Noun	Adjective	Verb	Adverb
chocolate kiss	Yes	No	No	No
candy kiss	Yes	No	No	No

As nouns, candy kiss is a hypernym of chocolate kiss; that is, candy kiss is a word with a broader meaning than chocolate kiss:

chocolate kiss: a kiss that consists of a conical bite-sized piece of chocolate
candy kiss: any of several bite-sized candies

Other hypernyms of chocolate kiss include chocolate candy, kiss.

chocolate kiss (noun)	candy kiss (noun)
a kiss that consists of a conical bite-sized piece of chocolate	any of several bite-sized candies