chocolate syrup vs chocolate sauce

chocolate syrup and chocolate sauce both are nouns.

Word	Noun	Adjective	Verb	Adverb
chocolate syrup	Yes	No	No	No
chocolate sauce	Yes	No	No	No

As nouns, chocolate syrup and chocolate sauce are synonyms defined as:

chocolate syrup and chocolate sauce: sauce made with unsweetened chocolate or cocoa and sugar and water

chocolate syrup (noun)	chocolate sauce (noun)
sauce made with unsweetened chocolate or cocoa and sugar and water	sauce made with unsweetened chocolate or cocoa and sugar and water