These are the basic weapons in Oberin. There are also variations of these weapons, including poisonous, silver, and magical:
Battle axe, broad sword, club, flail, glaive, katana, dagger, long bow, long sword, mace, scimitar, short bow, sickle, spear, stave, war hammer.
Weapons of power do more damage, weapons of speed are wielded more quickly, silver weapons do more damage to the undead, weapons of durability last longer, and poison weapons inflict poison with each hit.
Different weapons are more effective against different creatures. If you use a variety of weapons you will learn which is best for your current situation.