jungle vs wood

jungle and wood both are nouns.

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

As nouns, wood is a hypernym of jungle; that is, wood is a word with a broader meaning than jungle:

Other hypernyms of jungle include forest, woods.

jungle (noun)	wood (noun)
a place where hoboes camp	any wind instrument other than the brass instruments
an impenetrable equatorial forest	a golf club with a long shaft used to hit long shots; originally made with a wooden head
a location marked by an intense competition and struggle for survival	the trees and other plants in a large densely wooded area
	the hard fibrous lignified substance under the bark of trees