UNPICK
Un*pick, v. t. Etym: [1st pref. un- (intensive) + pick.]

Defn: To pick out; to undo by picking.

UNPICKED
Un*picked", a. Etym: [Properly p. p. of unpick.]

Defn: Picked out; picked open.

2. Etym: [Pref. un- not + picked.]

Defn: Not picked. Milton.

UNPIN
Un*pin", v. t. Etym: [1st pref. un- + pin.]

Defn: To loose from pins; to remove the pins from; to unfasten; as, to unpin a frock; to unpin a frame.

UNPINION
Un*pin"ion, v. t. Etym: [1st pref. un- + pinion.]

Defn: To loose from pinions or manacles; to free from restraint.
Goldsmith.