Rheinbery or Rheinberry: How To spell?
The word Rheinbery is misspelled against Rheinberry, a noun meaning "One of the berries or drupes of the European buckthorn; also, the buckthorn itself."
Rheinberry has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings rheinbe & y which should not be misspelled with single 'R'
Wrong Spelling:  rheinbe-r-y  Correct Spelling:  rheinbe-rr-y 
Find more wrongly spelled words of Rheinberry to spell it well.