The word Smaith is misspelled against Smeath, a noun meaning "The smew."
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Smeath has vowels 'ea' together mispronounced as 'ai'
Word contains consecutive vowels 'EA' in between alphabets sm & th is misspelled as 'AI'
Wrong Spelling:  sm-ai-th 
Correct Spelling:  sm-ea-th 
Find more wrongly spelled words of Smeath to spell it well.