Coblestone or Cobblestone: How To spell?
The word Coblestone is misspelled against Cobblestone, a noun meaning "A large pebble; a rounded stone not too large to be handled; a small boulder; -- used for paving streets and for other purposes."
Cobblestone has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Co & lestone which should not be misspelled with single 'B'
Wrong Spelling:  Co-b-lestone  Correct Spelling:  Co-bb-lestone 
Find more incorrect spellings of Cobblestone to spell right way.