Gydic or Gaidic: How To spell?
The word Gydic is misspelled against Gaidic, an adjective meaning "Pertaining to hypogeic acid; -- applied to an acid obtained from hypogeic acid."
Word contains consecutive vowels 'AI' in between alphabets g & dic is misspelled as 'Y'Wrong Spelling:  g-y-dic  Correct Spelling:  g-ai-dic 
Find more wrongly spelled words of Gaidic to spell it well.