Americans call it ketchup but heh it is sauce made out of tomatos so who is crazy there

sauce made with a puree of tomatoes (or strained tomatoes) with savory vegetables and other seasonings; can be used on pasta

Tomato Catsup

A slightly thinner tomato puree, often mixed with seasonings to facilitate their use in other sauces and dishes.

Ketchup (or catsup, if you prefer)