moorgame vs red grouse

moorgame and red grouse both are nouns.

Word	Noun	Adjective	Verb	Adverb
moorgame	Yes	No	No	No
red grouse	Yes	No	No	No

As nouns, moorgame and red grouse are synonyms defined as:

moorgame and red grouse: reddish-brown grouse of upland moors of Great Britain

Other synonyms of moorgame include Lagopus scoticus, moor-bird, moorbird, moorfowl.

moorgame (noun)	red grouse (noun)
reddish-brown grouse of upland moors of Great Britain	reddish-brown grouse of upland moors of Great Britain