De or het spelverruwing?

The correct Dutch article is:

de spelverruwing

Rule Words ending in -ing: almost always de. See the rule

How to use spelverruwing

the spelverruwingde spelverruwing
this spelverruwingdeze spelverruwing
that spelverruwingdie spelverruwing
our spelverruwingonze spelverruwing
your spelverruwingjouw spelverruwing
every spelverruwingelke spelverruwing
which spelverruwing?welke spelverruwing?
a big spelverruwing / the big spelverruwingeen grote spelverruwing, de grote spelverruwing