Catsup vs. Ketchup

Catsup and Ketchup Definitions
Catsup
Variant of ketchup.
Ketchup
A condiment consisting of a thick, smooth-textured, spicy sauce usually made from tomatoes.
Catsup
Alternative form of ketchup
Ketchup
(uncountable) A tomato-vinegar-based sauce, sometimes containing spices, onion or garlic, and (especially in the US) sweeteners.
Tomato ketchup
This diner serves ketchup in red bottles, and mustard in yellow ones.
Catsup
Same as Catchup, and Ketchup.
Ketchup
Such a sauce more generally (not necessarily based on tomatoes, but with mushrooms, fish, etc.).
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Catsup
Thick spicy sauce made from tomatoes
Ketchup
(transitive) To cover with ketchup.
Ketchup
A pureed table sauce made predominantly from tomatoes, flavored with onions, sugar, salt and spices; called also tomato ketchup. The term is also applied to pureed sauces containing mushrooms, walnuts, etc., being called in such cases mushroom ketchup, walnut ketchup, etc.
Ketchup
Thick spicy sauce made from tomatoes