Seishore or Seashore: How To spell?

The word Seishore is misspelled against Seashore, a noun meaning "All the ground between the ordinary highwater and low-water marks."

Seashore has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets s & shore is misspelled as 'EI'
Wrong Spelling:  s-ei-shore 
Correct Spelling:  s-ea-shore 
Find more incorrect spellings of Seashore to spell right way.

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