Eighten or Eighteen: How To spell?
The word Eighten is misspelled against Eighteen, a noun meaning "A symbol denoting eighteen units, as 18 or xviii."
Eighteen has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Eight & n which should not be misspelled with single 'E'
Wrong Spelling:  Eight-e-n  Correct Spelling:  Eight-ee-n 
Find more wrongly spelled words of Eighteen to spell it well.