spaghetti is what we usually call "spaghetti". Ask the English of Spaghetti, and you might say "spaghetti". In fact, the correct name is "pasta", and "Spaghetti" is just one of them, that is, the traditional strip-shaped noodles. In Italy, there are more than 13 different shapes of noodles.
[ example] makesurethepastesaldente, willyou? Could you make the spaghetti harder, please?