Gramatic or Grammatic: How To spell?
The word Gramatic is misspelled against Grammatic, an adjective meaning "Grammatical."
Grammatic has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings gra & atic which should not be misspelled with single 'M'
Wrong Spelling:  gra-m-atic  Correct Spelling:  gra-mm-atic 
Find more wrongly spelled words of Grammatic to spell it well.