Deltiac or Deltaic: How To spell?

The word Deltiac is misspelled against Deltaic, an adjective meaning "Relating to, or like, a delta."

Word contains consecutive vowels 'AI' in between alphabets delt & c is misspelled as 'IA'
Wrong Spelling:  delt-ia-c 
Correct Spelling:  delt-ai-c 
Find more wrongly spelled words of Deltaic to spell it well.

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