I cannot find the thread, in which we had collected German words with three f in a row. I just was bitten by a Sprengstofffund.
For those ones, that don’t understand German:
A Sprengstoffhund is a dynamite (detection) dog.
A Sprengstofffund is a dynamite found.
“Und” means “and” and “Hund” means “dog” in English.