What's the difference between freebooter and freebootery?

Freebooter

Definition:

(n.) One who plunders or pillages without the authority of national warfare; a member of a predatory band; a pillager; a buccaneer; a sea robber.

Example Sentences:

(1) , a real triple-album of a movie, starring Ed Harris as US freebooter William Walker, who invaded Nicaragua in the 1850s and set himself up as president - before being executed by firing squad in Honduras in 1860.
(2) Seen by its proponents as an important check on power and by critics as an infuriating waste of time, the filibuster – from the Spanish filibustero , or freebooting – is an attempt by a minority political party to stall a bill, and hopefully prevent a vote, by endlessly debating it.
(3) To have a capitalist stock market being played like a casino by tens of millions of freebooting speculators right in the middle of a society still purporting to be socialist and run by a communist party with a deep affinity for rigid, Leninist, interventionist controls speaks to the contradictory nature of the modern Chinese dilemma.