silverberry vs silverbush

silverberry and silverbush both are nouns.

Word	Noun	Adjective	Verb	Adverb
silverberry	Yes	No	No	No
silverbush	Yes	No	No	No

As nouns, silverberry and silverbush are synonyms defined as:

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

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

silverberry (noun)	silverbush (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