ketchup vs condiment

ketchup and condiment both are nouns.

Word	Noun	Adjective	Verb	Adverb
ketchup	Yes	No	No	No
condiment	Yes	No	No	No

As nouns, condiment is a hypernym of ketchup; that is, condiment is a word with a broader meaning than ketchup:

ketchup: thick spicy sauce made from tomatoes
condiment: a preparation (a sauce or relish or spice) to enhance flavor or enjoyment

ketchup (noun)	condiment (noun)
thick spicy sauce made from tomatoes	a preparation (a sauce or relish or spice) to enhance flavor or enjoyment