Command: compare

Usage: compare <item> to <item>

    This command allows you to compare how an item relates to another.
For any two items, you can compare which is heavier.  For containers, you
can compare which can hold more weight and/or bulk.  For other items,
various professions are better are comparing the effectiveness: 

Wizards with 6th sense or Necromancers with extra sense can compare staves.
Rangers with nature's lore can compare herbs.
Archers with archery skill can compare bows, or with fletching skill
  can compare arrows.
Riders with mounted combat skill can compare any weapon that is
  usable while mounted.
Assassins with assassination skill can compare any weapon that is
  usable for backstab.
Sniffers with butchery skill can compare any weapon that is usable
  for shiv.
Warriors with combat arms can compare any weapon, in addition to
any armour.

Note that when comparing equipment, some factors, such as special
abilities or magical attributes, will not be included in the comparison.