beech vs beechwood

beech and beechwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
beech	Yes	No	No	No
beechwood	Yes	No	No	No

As nouns, beech and beechwood are synonyms defined as:

beech and beechwood: wood of any of various beech trees; used for flooring and containers and plywood and tool handles

beech (noun)	beechwood (noun)
any of several large deciduous trees with rounded spreading crowns and smooth grey bark and small sweet edible triangular nuts enclosed in burs; north temperate regions	wood of any of various beech trees; used for flooring and containers and plywood and tool handles
wood of any of various beech trees; used for flooring and containers and plywood and tool handles