Alteration vs Recondition - What's the difference?

As a noun alteration

is alteration.

to restore to a functional state, or to a condition resembling the original.

(en noun)

The act of altering or making different.

* 1594 , , Of the Laws of Ecclesiastical Polity ,

…alteration , though it be from worse to better, hath in it inconveniences…

The state of being altered; a change made in the form or nature of a thing; changed condition.

* 1892 , ,

…and I saw by the alteration in your face that a train of thought had been started.

(Webster 1913)

(en verb)

To restore to a functional state, or to a condition resembling the original.

When reconditioning antique furniture, it is important to try to preserve as much of the original finish as possible.

*(restore to functional or near original state ): fix, refurbish, repair, restore

* reconditioner