Haerstreak or Hairstreak: How To spell?

The word Haerstreak is misspelled against Hairstreak, a noun meaning "A butterfly of the genus Thecla; as, the green hairstreak (T. rubi)."

Word contains consecutive vowels 'AI' in between alphabets h & rstreak is misspelled as 'AE'
Wrong Spelling:  h-ae-rstreak 
Correct Spelling:  h-ai-rstreak 
Explore spell check of Hairstreak to spell without errors.

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