Letering or Lettering: How To spell?
The word Letering is misspelled against Lettering, a noun meaning "The act or business of making, or marking with, letters, as by cutting or painting."
Lettering has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings le & ering which should not be misspelled with single 'T'
Wrong Spelling:  le-t-ering  Correct Spelling:  le-tt-ering 
Find more wrongly spelled words of Lettering to spell it well.