Seimark or Seamark: How To spell?
The word Seimark is misspelled against Seamark, a noun meaning "Any elevated object on land which serves as a guide to mariners; a beacon; a landmark visible from the sea, as a hill, a tree, a steeple, or the like."
Seamark has vowels 'ea' together mispronounced as 'ei'Word contains consecutive vowels 'EA' in between alphabets s & mark is misspelled as 'EI'
Wrong Spelling:  s-ei-mark  Correct Spelling:  s-ea-mark 
Find more wrongly spelled words of Seamark to spell it well.