Underbrush and Woods

Underbrush noun - The brush (small trees and bushes and ferns etc.) growing beneath taller trees in a wood or forest.

Woods and underbrush are semantically related. In some cases you can use "Woods" instead a noun "Underbrush".

Woods noun - The trees and other plants in a large densely wooded area.

Underbrush and woods are semantically related. Sometimes you can use "Underbrush" instead a noun "Woods".