Goodbye can be 'tot ziens' (until I see you) or 'dag' which can also be used as a greeting. It's a question of tone.
There's no such language as "Belgian". The three official languages of Belgium are French, Flemish/Dutch, and German.
Vlaams
Red = Rood in Flemish
"Drie" is "three" in Flemish.
In Flemish, the word for "house" is "huis."
doen
The word for blackberry in Flemish is "braambes."
vandaag
grootmoeder
twee
Seks
kantoor