Flabergastation or Flabbergastation: How To spell?
The word Flabergastation is misspelled against Flabbergastation, a noun meaning "The state of being flabbergasted."
Flabbergastation has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Fla & ergastation which should not be misspelled with single 'B'
Wrong Spelling:  Fla-b-ergastation  Correct Spelling:  Fla-bb-ergastation 
Find more incorrect spellings of Flabbergastation to spell right way.