The word Seiward is misspelled against Seaward, an adjective meaning "Directed or situated toward the sea."
-->
Seaward has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets s & ward is misspelled as 'EI'
Wrong Spelling:  s-ei-ward 
Correct Spelling:  s-ea-ward 
Find more wrongly spelled words of Seaward to spell it well.