appetiser vs antipasto

appetiser and antipasto both are nouns.

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

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

appetiser: 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 appetiser include canape, cocktail, hors d'oeuvre, crudites.

appetiser (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