Further expand what Tandria and Tretch have said, after you have created basic wooden weapons, or have the skill enough to create a shaft, you could use such items in the game as:
Iron Nails
Claws (of various creatures)
stingers (of various creatures)
Fangs
piece of iron (or steel or titanium etc)
And make suchs things as :
A stick with a nail in it
Toothed wooden club
Iron bound wooden club
and so on.
As Tandria said, a perfectly smooth stone and a wooden shaft make a crude warhammer. I am not sure if Flint is in the game or something similar, but such could make a good head for a crude axe or crude spear
Such skills/trades are perfect for Orcs and Barbarians. The only drawback of course is that such weapon would never stand up to metal weapons and plate. While they are great for RP, this does put a damperner on any incentive to become proficient with the skill.
I still think ripping a branch of a tree and swinging it would easier

S.