Espresso is a type of coffee that is made by forcing a small amount of hot water under pressure through finely ground coffee beans. It is a popular type of coffee in Italy and many other countries.
Expresso is a misspelling of the word espresso. It is not a commonly used or recognized term.
In summary, espresso is a type of coffee that is made by forcing a small amount of hot water under pressure through finely ground coffee beans, while expresso is a misspelling of the word espresso.