Unfortunately, there is no 6-letter word in Dutch that directly translates to “vlakdruk.” However, depending on the context, there might be some alternatives:
1. Afdruk: This means “print” or “impression” and is a synonym for “vlakdruk” in some contexts.
2. Druk: This means “pressure” or “printing” and could be used if “vlakdruk” refers to the process of printing.
3. Plaat: This means “plate” and could be used if “vlakdruk” refers to the flat surface used for printing.
4. Pers: This means “press” and could be used if “vlakdruk” refers to the printing press itself.
5. Vlak: This means “flat” and could be used if the emphasis is on the flatness of the printing surface.
6. Zeef: This means “sieve” and could be used if “vlakdruk” refers to a specific type of printing using a screen.
Please provide more context about the usage of “vlakdruk” to give you a more accurate answer.