The Dutch word for octopus is
octopus

Translations for octopus and their definitions

octopus	©
1. n-m. octopus

inktvis	©
1. n-m. A squid, marine mollusk of the superorder Decabrachia or Decapodiformes or more generally (including octopuses) of the class Cephalopoda.
Inktvis is een misleidende naam: het is helemaal geen vis, zelfs geen gewerveld dier, en inktvissen produceren ook geen echte inkt, al wordt er wel pasta sepia gekleurd met het goedje
"Inktvis" is a misleading name: it's not a fish at all, not even a vertebrate, and squids produce no actual ink either, although some pasta is colored sepia with the stuff

kraak
1. n-m. An instance or action of cracking, breaking; in particular the activity of squatting premises.
2. n-m. A robbery by breaking and entering.
3. v. first-person singular present indicative of kraken
4. v. imperative of kraken
5. n-f. (navigation) A carrack, a nau; a large, 16th/17th century, Iberian type of war - or commercial naval ship.
6. n-f. A smaller Dutch type of wooden cargo ship, used for inland shipping from the late seventeenth to early nineteenth century.
7. n-m. (zoology) kraken, giant octopus
8. n-m. sea monster
9. n-m. Alternative form of kraken
10. n-m. A gallery in a barn or church