Spiked Spear description states that it does strike damage on swing attacks since it's like a pole-mace. This is not the case after testing on miners. Cases like these (warpick as well) are a shame since they'd make the weapon more unique in its class. Minor nitpick but still should be addressed.

Ash of War: Flame Spear | Elden Ring Wiki

Bloodfiend's Sacred Spear | Elden Ring Wiki