Blackbery or Blackberry: How To spell?
The word Blackbery is misspelled against Blackberry, a noun meaning "The fruit of several species of bramble (Rubus); also, the plant itself. Rubus fruticosus is the blackberry of England; R. villosus and R. Canadensis are the high blackberry and low blackberry of the United States. There are also other kinds."
Blackberry has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings blackbe & y which should not be misspelled with single 'R'
Wrong Spelling:  blackbe-r-y  Correct Spelling:  blackbe-rr-y 
Explore spell check of Blackberry to spell without errors.