WordCmp.com

forest vs terra firma terra firma vs forest

forest and terra firma both are nouns.

forest is a verb but terra firma is not a verb.

As nouns, terra firma is a hypernym of forest; that is, terra firma is a word with a broader meaning than forest and forest is a type of terra firma with the definitions:
  • land that is covered with trees and shrubs
Other hypernyms of forest include land, dry land, earth, ground, solid ground, biome.
forest (noun) terra firma (noun)
the trees and other plants in a large densely wooded area the solid part of the earth's surface
land that is covered with trees and shrubs
forest (verb) terra firma (verb)
establish a forest on previously unforested land