I apologize for my previous response. There are more than two four-letter words in Dutch. Here are a few more examples:
- aap (monkey)
- been (leg)
- boot (boat)
- deur (door)
- doek (cloth)
- dolk (dagger)
- gast (guest)
- goed (good)
- hand (hand)
- hemd (shirt)
- heup (hip)
- huis (house)
- ijs (ice)
- kaas (cheese)
- kind (child)
- kolk (whirlpool)
- lamp (lamp)
- land (country)
- leef (live)
- leek (leek)
- lief (sweet)
- lijk (body)
- loop (walk)
- lucht (air)
Please let me know if you have any other questions.