Northastern or Northeastern: How To spell?

The word Northastern is misspelled against Northeastern, an adjective meaning "pertaining to the ntheast; ntheasterly."

Northeastern has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets north & stern is misspelled as 'A'
Wrong Spelling:  north-a-stern 
Correct Spelling:  north-ea-stern 
Find more incorrect spellings of Northeastern to spell right way.

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