"Wasp" vs. "hornet": spotting the difference

What is similar?

Both wasps and hornets are insects belonging to the Vespidae family, have a similar body structure with narrow waists and wings, and can sting as a defense mechanism.

What is different?

Hornets are generally larger and more aggressive than most wasps. Hornets have a more robust, rounded abdomen and are usually characterized by their brownish and orange color, while wasps often have slimmer bodies with yellow and black markings. Additionally, hornet nests are often larger and made from chewed wood fibers, while wasps may construct smaller nests or build them in various structures.

Which one is more common?