What's the difference between gunstock and unstock?

Gunstock

Definition:

• (n.) The stock or wood to which the barrel of a hand gun is fastened.

Example Sentences:

• (1) The results showed a 33 per cent incidence of cubitus varus (so-called gunstock deformity) in the patients treated with Dunlop's traction as compared with 5 per cent in those pinned percutaneously.
• (2) Reports of corrective procedures for cubitus varus (gunstock deformity) have emphasized the frequency of loss of position and significant complication.

Unstock

Definition:

• (v. t.) To deprive of a stock; to remove the stock from; to loose from that which fixes, or holds fast.
• (v. t.) To remove from the stocks, as a ship.

Example Sentences:

• (1) The overall proportion of sites with fish that harboured mosquito larvae was 1.6%, ranging from 1.5 to 1.7% according to type of site, as compared to 34% in sites left unstocked, ranging from 17.9 to 60.0%.