Girlfriend is the same as "flickvän" in Swedish.
flickvän
To say you're in a relationship you say "Jag är i ett förhållande." Or you could say you already have a boyfriend/girlfriend: "Jag har redan en pojkvän/flickvän."
And is "och" in swedish.
På svenska
"King" in Swedish is "kung".
Vill du bli min flickvän.
Suedoise is French for Swedish.
"Goal" in Swedish is "mål".
Equality is "jämlikhet" in Swedish.
Episode is episod in Swedish.
Small is liten in Swedish.
29 is tjugonio in Swedish.