Leiden or Leaden: How To spell?
The word Leiden is misspelled against Leaden, an adjective meaning "Heavy; dull; sluggish."
Leaden has vowels 'ea' together mispronounced as 'ei'Word contains consecutive vowels 'EA' in between alphabets l & den is misspelled as 'EI'
Wrong Spelling:  l-ei-den  Correct Spelling:  l-ea-den 
Find more wrongly spelled words of Leaden to spell it well.