hedgerow vs windbreak

hedgerow and windbreak both are nouns.

Word	Noun	Adjective	Verb	Adverb
hedgerow	Yes	No	No	No
windbreak	Yes	No	No	No

As nouns, windbreak is a hyponym of hedgerow; that is, windbreak is a word with a more specific, narrower meaning than hedgerow:

hedgerow: a fence formed by a row of closely planted shrubs or bushes
windbreak: hedge or fence of trees designed to lessen the force of the wind and reduce erosion

Other hyponyms of hedgerow include privet hedge, shelterbelt.

hedgerow (noun)	windbreak (noun)
a fence formed by a row of closely planted shrubs or bushes	hedge or fence of trees designed to lessen the force of the wind and reduce erosion