Silverbery or Silverberry: How To spell?
The word Silverbery is misspelled against Silverberry, a noun meaning "A tree or shrub (Elaeagnus argentea) with silvery foliage and fruit."
Silverberry has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings silverbe & y which should not be misspelled with single 'R'
Wrong Spelling:  silverbe-r-y  Correct Spelling:  silverbe-rr-y 
Find more wrongly spelled words of Silverberry to spell it well.