deciduous forest vs forest

deciduous forest and forest both are nouns.

Word	Noun	Adjective	Verb	Adverb
deciduous forest	Yes	No	No	No
forest	Yes	No	Yes	No

As nouns, forest is a hypernym of deciduous forest; that is, forest is a word with a broader meaning than deciduous forest:

deciduous forest: a forest comprising mainly of broad-leaved trees that shed all their leaves during one season.
forest: the trees and other plants in a large densely wooded area

Other hypernyms of deciduous forest include wood, woods.

deciduous forest (noun)	forest (noun)
a forest comprising mainly of broad-leaved trees that shed all their leaves during one season.	the trees and other plants in a large densely wooded area
	land that is covered with trees and shrubs

deciduous forest (verb)	forest (verb)
	establish a forest on previously unforested land