plunder vs ransack

plunder is a noun but ransack is not a noun.

Word	Noun	Adjective	Verb	Adverb
plunder	Yes	No	Yes	No
ransack	No	No	Yes	No

As verbs, plunder and ransack are synonyms defined as:

Other synonyms of plunder include despoil, foray, loot, pillage, reave, rifle, strip.

plunder (noun)	ransack (noun)
goods or money obtained illegally

plunder (verb)	ransack (verb)
destroy and strip of its possession	search thoroughly
steal goods; take as spoils	steal goods; take as spoils
plunder (a town) after capture
take illegally; of intellectual property