Cancelation or Cancellation: How To spell?
The word Cancelation is misspelled against Cancellation, a noun meaning "The act, process, or result of canceling; as, the cansellation of certain words in a contract, or of the contract itself."
Cancellation has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings cance & ation which should not be misspelled with single 'L'
Wrong Spelling:  cance-l-ation  Correct Spelling:  cance-ll-ation 
Find more incorrect spellings of Cancellation to spell right way.