Can nerve injury mean the same as nerve damage or spinal cord damage?

Terms differ: Nerve injury implys something(trauma, disease) that interfers with the health of a nerve.It implys there may or may not be loss of function , be temporary or permanent. Damage implys perminent loss of function. "spinal cord damage" localizes the injury/damage to the cord rather than a nerve outside of the cord (like a leg).

See answer below: Nerve injury is the same as nerve damage and implies injury to a peripheral nerve (outside of the cord) that can lead to localized numbness, weakness or burning and tingling sensation. Spinal cord damage on the other hand is usually much more serious. It is a lesion in the spinal cord that, depending on the severity of the lesion, can lead to paralysis such as tetraplegia or paraplegia.

No : Nerve injury is different than spinal cord damage. Spinal cord damage is more severe than nerve injury.

No: The nerves are outside the axial skeleton, and the spinal cord is contained in the bony structure.

Nerve vs spinal cord: Think of our spinal cord like a tree trunk with many branches coming off ( analogy to nerves). When we damage or injure a nerve it goes to one specific location like a place, on the arm or leg.and we lose the function ( sensation or motion ) to that specific area, when we damage the spinal cord ( just like a tree trunk) we lose the functioning of many nerves coming off that trunk.