Heeghten or Heighten: How To spell?

The word Heeghten is misspelled against Heighten, a verb meaning "To carry forward; to advance; to increase; to augment; to aggravate; to intensify; to render more conspicuous; -- used of things, good or bad; as, to heighten beauty; to heighten a flavor or a tint."

Word contains consecutive vowels 'EI' in between alphabets h & ghten is misspelled as 'EE'
Wrong Spelling:  h-ee-ghten 
Correct Spelling:  h-ei-ghten 
Explore spell check of Heighten to spell without errors.