First, refer to different
1, spaghetti: spaghetti.
2. pasta: pasta.
Second, the grammar is different
1, spaghetti: spaghetti served with a tomato sauce.
2. Pasta: Shaped and Dried Dough Made from Flour and Water and Some Times Egg is a dry dough made of flour, water and sometimes eggs.
Third, the focus is different
1, spaghetti: especially spaghetti.
2. pasta: generally refers to Italian pasta.