noun
tomato ketchup
Refers specifically to tomato ketchup, the common condiment. The loanword is widely used in Japanese.
オムライスにトマトケチャップをかける。
I put tomato ketchup on the omurice.
ケチャップ can refer to ketchup in general, but トマトケチャップ explicitly specifies tomato ketchup.
Loanword from English 'tomato ketchup'.