bed-ground vs bed ground

bed-ground and bed ground both are nouns.

Word	Noun	Adjective	Verb	Adverb
bed-ground	Yes	No	No	No
bed ground	Yes	No	No	No

As nouns, bed-ground and bed ground are synonyms defined as:

bed-ground and bed ground: an area on which a drove of cattle or sheep can sleep for a night

Other synonyms of bed-ground include bedground.

bed-ground (noun)	bed ground (noun)
an area on which a drove of cattle or sheep can sleep for a night	an area on which a drove of cattle or sheep can sleep for a night