The word Weilden is misspelled against Wealden, a noun meaning "The Wealden group or strata."
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Wealden has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets w & lden is misspelled as 'EI'
Wrong Spelling:  w-ei-lden 
Correct Spelling:  w-ea-lden 
Find more wrongly spelled words of Wealden to spell it well.