silver-bush vs silver berry

silver-bush and silver berry both are nouns.

Word	Noun	Adjective	Verb	Adverb
silver-bush	Yes	No	No	No
silver berry	Yes	No	No	No

As nouns, silver-bush and silver berry are synonyms defined as:

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

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

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