currant bush vs currant

currant bush and currant both are nouns.

Word	Noun	Adjective	Verb	Adverb
currant bush	Yes	No	No	No
currant	Yes	No	No	No

As nouns, currant bush and currant are synonyms defined as:

currant bush and currant: any of various deciduous shrubs of the genus Ribes bearing currants

currant bush (noun)	currant (noun)
any of various deciduous shrubs of the genus Ribes bearing currants	any of several tart red or black berries used primarily for jellies and jams
	small dried seedless raisin grown in the Mediterranean region and California; used in cooking
	any of various deciduous shrubs of the genus Ribes bearing currants