Egre or Aigre: How To spell?

The word Egre is misspelled against Aigre, an adjective meaning "Sour."

Word begins with consecutive vowels 'AI' followed by alphabets 'gre' is misspelled as 'E'
Wrong Spelling:  e-gre 
Correct Spelling:  ai-gre 
Explore spell check of Aigre to spell without errors.

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