Gigantan or Gigantean: How To spell?

The word Gigantan is misspelled against Gigantean, an adjective meaning "Like a giant; mighty; gigantic."

Gigantean has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets gigant & n is misspelled as 'A'
Wrong Spelling:  gigant-a-n 
Correct Spelling:  gigant-ea-n 
Find more wrongly spelled words of Gigantean to spell it well.

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