Synonyms for Plunder:

n.

help yourself to something, run away with, burgle, walk off with. Crimes, contraband, ill-gotten gains, Depredate, give, havoc, Spoliate, plant, harrow, ravage. burglary, break in, grand larceny, hijacking, identity theft, carjacking, hold up, breaking and entering, extortion. booty (noun)
booty, graft, Boodle, spoils, swag, bag, catch, prize.
destruction (noun)
havoc.
havoc (noun)
havoc.
plunder (noun)
foray, sack, pillage, booty, rifle, swag, violate, prize, loot, strip, despoil, ransack, reave, spoil.
something stolen (noun)
graft, pillage, loot, spoil, winnings, booty, prize.

v.

ravage, steal (verb)
foray, strip, lift, grab, rob, fleece, Depredate, sack, ransack, despoil, rifle.
steal (verb)
embezzle, blackmail, swipe, burglarize, plagiarize, lift, steal, filch, cop, defraud, haul, rustle, hijack, abstract, shanghai, palm, extort, pocket, loot, stickup, mug, rob, pirate, fleece, poach, holdup, grab, shoplift, swindle, nip, heist, pilfer.

Other synonyms:

contraband, Depredate, hold up, walk off with, ill-gotten gains, burgle, Spoliate. break in, harrow. plant. misappropriate
embezzle.
pillage
ravage, pillage.
snitch
walk off with.
steal
steal, plagiarize.
Other relevant words:
despoil, burgle, spoil, hijacking, hold up, pillage, ravage, rifle, foray, reave, sack, Depredate, Spoliate, contraband, violate, strip, havoc, harrow, carjacking, plant, ransack, winnings, breaking and entering, walk off with, Crimes, extortion, burglary.

Usage examples for plunder

  1. Monkeys and baboons form regular bands to rob and plunder – The Human Side of Animals by Royal Dixon
  2. All the settlers complain sadly of being frequently robbed by the runaway convicts, who plunder them incessantly. – A Complete Account of the Settlement at Port Jackson by Watkin Tench
  3. They destroyed for destruction's sake, not for purposes of plunder – Project Gutenberg History of The Netherlands, 1555-1623, Complete by John Lothrop Motley