woods vs wood

woods and wood both are nouns.

Word	Noun	Adjective	Verb	Adverb
woods	Yes	No	No	No
wood	Yes	No	No	No

As nouns, woods and wood are synonyms defined as:

woods and wood: the trees and other plants in a large densely wooded area

Other synonyms of woods include forest.

woods (noun)	wood (noun)
the trees and other plants in a large densely wooded area	any wind instrument other than the brass instruments
	a golf club with a long shaft used to hit long shots; originally made with a wooden head
	the trees and other plants in a large densely wooded area
	the hard fibrous lignified substance under the bark of trees