Milennist or Millennist: How To spell?
The word Milennist is misspelled against Millennist, a noun meaning "One who believes in the millennium."
Millennist has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings mi & ennist which should not be misspelled with single 'L'
Wrong Spelling:  mi-l-ennist  Correct Spelling:  mi-ll-ennist 
Find more wrongly spelled words of Millennist to spell it well.