Hierogramatist or Hierogrammatist: How To spell?
The word Hierogramatist is misspelled against Hierogrammatist, a noun meaning "A writer of hierograms; also, one skilled in hieroglyphics."
Hierogrammatist has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings hierogra & atist which should not be misspelled with single 'M'
Wrong Spelling:  hierogra-m-atist  Correct Spelling:  hierogra-mm-atist 
Find more incorrect spellings of Hierogrammatist to spell right way.