henhouse vs chicken coop

henhouse and chicken coop both are nouns.

Word	Noun	Adjective	Verb	Adverb
henhouse	Yes	No	No	No
chicken coop	Yes	No	No	No

As nouns, henhouse and chicken coop are synonyms defined as:

Other synonyms of henhouse include coop, hencoop.

henhouse (noun)	chicken coop (noun)
a farm building for housing poultry	a farm building for housing poultry