The word Leidsmen is misspelled against Leadsmen, which is plural of "Leadsman"
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Leadsmen has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets l & dsmen is misspelled as 'EI'
Wrong Spelling:  l-ei-dsmen 
Correct Spelling:  l-ea-dsmen 
Find more wrongly spelled words of Leadsmen to spell it well.