The word Nighed is misspelled against Neighed, which is past tense of "Neigh"
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Word contains consecutive vowels 'EI' in between alphabets n & ghed is misspelled as 'I' as letter 'E' is phonetically ignored
Wrong Spelling:  n-i-ghed 
Correct Spelling:  n-ei-ghed 
Find more wrongly spelled words of Neighed to spell it well.