appetizer vs antipasto

appetizer and antipasto both are nouns.

Word	Noun	Adjective	Verb	Adverb
appetizer	Yes	No	No	No
antipasto	Yes	No	No	No

As nouns, antipasto is a hyponym of appetizer; that is, antipasto is a word with a more specific, narrower meaning than appetizer:

appetizer: food or drink to stimulate the appetite (usually served before a meal or as the first course)
antipasto: a course of appetizers in an Italian meal

Other hyponyms of appetizer include canape, cocktail, hors d'oeuvre, crudites.

appetizer (noun)	antipasto (noun)
food or drink to stimulate the appetite (usually served before a meal or as the first course)	a course of appetizers in an Italian meal