You would say "arton".
And is "och" in swedish.
På svenska
"King" in Swedish is "kung".
Eighteen is dix-huit in French.
Suedoise is French for Swedish.
Equality is "jämlikhet" in Swedish.
"Goal" in Swedish is "mål".
Cup is kopp in Swedish.
Spaceship is rymdskepp in Swedish.
Judge is domare in Swedish.
Adventures is äventyr in Swedish.
Two is två in Swedish.