palisade vs surround

palisade and surround both are nouns.

Word	Noun	Adjective	Verb	Adverb
palisade	Yes	No	Yes	No
surround	Yes	No	Yes	No

As verbs, palisade and surround are synonyms defined as:

Other synonyms of palisade include fence, fence in, wall.

palisade (noun)	surround (noun)
fortification consisting of a strong fence made of stakes driven into the ground	the area in which something exists or lives

palisade (verb)	surround (verb)
surround with a wall in order to fortify	surround so as to force to give up
	surround with a wall in order to fortify
	extend on all sides of simultaneously; encircle
	envelop completely