silver berry vs silverbush

silver berry and silverbush both are nouns.

Word	Noun	Adjective	Verb	Adverb
silver berry	Yes	No	No	No
silverbush	Yes	No	No	No

As nouns, silver berry and silverbush are synonyms defined as:

silver berry and silverbush: deciduous unarmed North American shrub with silvery leaves and fruits

Other synonyms of silver berry include Elaeagnus commutata, silver-bush, silverberry.

silver berry (noun)	silverbush (noun)
deciduous unarmed North American shrub with silvery leaves and fruits	deciduous unarmed North American shrub with silvery leaves and fruits
deciduous shrubby tree of Europe and western Asia having grey leaves and small yellow fruits covered in silvery scales; sometimes spiny	silvery hairy European shrub with evergreen foliage and pale yellow flowers