Geison or Geason: How To spell?

The word Geison is misspelled against Geason, an adjective meaning "Rare; wonderful."

Geason has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets g & son is misspelled as 'EI'
Wrong Spelling:  g-ei-son 
Correct Spelling:  g-ea-son 
Find more incorrect spellings of Geason to spell right way.

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