De or het behartiging?

The correct Dutch article is:

de behartiging

  • Plural: de behartigingen
  • Diminutive: het behartigingetje
Rule Words ending in -ing: almost always de. See the rule
Meaning (Dutch) het behartigen

How to use behartiging

the behartigingde behartiging
this behartigingdeze behartiging
that behartigingdie behartiging
our behartigingonze behartiging
your behartigingjouw behartiging
every behartigingelke behartiging
which behartiging?welke behartiging?
a big behartiging / the big behartigingeen grote behartiging, de grote behartiging
the behartiging (plural)de behartigingen, deze behartigingen

Dutch words ending in behartiging

belangenbehartiging | welzijnsbehartiging

In compound words, the last part decides the article. See the rule

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).