rosebush vs rose

rosebush and rose both are nouns.

Word	Noun	Adjective	Verb	Adverb
rosebush	Yes	No	No	No
rose	Yes	Yes	No	No

As nouns, rosebush and rose are synonyms defined as:

rosebush (noun)	rose (noun)
any of many shrubs of the genus Rosa that bear roses	a dusty pink color
	pinkish table wine from red grapes whose skins were removed after fermentation began
	any of many shrubs of the genus Rosa that bear roses

rosebush (adjective)	rose (adjective)
	of something having a dusty purplish pink color