Translation guide
A frankfurter is a type of sausage, often called a 'hot dog' in American English. In Japanese, it's usually referred to by borrowed terms.
Referring to the sausage itself, typically served in a bun or as part of a meal.
The most common term, borrowed from German 'Frankfurter'. Used for the sausage, often in the context of 'frankfurter sausages' or 'hot dogs'.
I ate a frankfurter for breakfast.
Often used for the complete dish (sausage in a bun), but can refer to the sausage itself, especially in casual contexts.
Explicitly 'frankfurter sausage'. Used when clarity is needed, but slightly redundant in everyday speech.
This frankfurter sausage is juicy.
May imply the bun and condiments, not just the sausage.
I bought a hot dog at the stall.