Perigain or Perigean: How To spell?

The word Perigain is misspelled against Perigean, an adjective meaning "Pertaining to the perigee."

--> Perigean has vowels 'ea' together mispronounced as 'ai'
Word contains consecutive vowels 'EA' in between alphabets perig & n is misspelled as 'AI'
Wrong Spelling:  perig-ai-n 
Correct Spelling:  perig-ea-n 
Find more wrongly spelled words of Perigean to spell it well.

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