This is the 13002nd most frequent German word.
zwiebelwürfel
Diced onions.
In this sentence, 'Zwiebelwürfel' refers to diced onions used as an ingredient in a dish.
Ich habe Zwiebelwürfel in die Suppe gegeben.
I added diced onions to the soup.
Here, 'Zwiebelwürfel' emphasizes the preparation step of cutting onions into small dice for culinary use.
Die Zwiebelwürfel müssen klein geschnitten werden.
The diced onions need to be cut small.
In this instance, 'Zwiebelwürfel' describes the diced onion pieces being used as a garnish on a salad.