there is no such thing as a longest word in Dutch. Words can in principle have infinite (1) length. (1) Infinite in the mathematical sense: given a number of letters you can invent a word that is longer. That's not "'infinite' in

I know only a sprinkling of German, but I've been ... wind up being the equivalent of "horserace," "raincoatfactory," and "hospitalinsurance." Oh, I sure count the English ones as compounds, too, I don"t care

'What's the longest word in the English language' usually can only be checked in a dictionary, so when I was a kid (England, 1960s) it was usually qualified as 'What's the longest word in the English dictionary'. So here