Latherneck or Leatherneck: How To spell?

The word Latherneck is misspelled against Leatherneck, a noun meaning "The sordid friar bird of Australia (Tropidorhynchus sordidus)."

Leatherneck has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets l & therneck is misspelled as 'A'
Wrong Spelling:  l-a-therneck 
Correct Spelling:  l-ea-therneck 
Explore spell check of Leatherneck to spell without errors.

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