Diservice or Disservice: How To spell?
The word Diservice is misspelled against Disservice, meaning "An ill turn."
Disservice has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings di & ervice which should not be misspelled with single 'S'
Wrong Spelling:  di-s-ervice  Correct Spelling:  di-ss-ervice 
Find more wrongly spelled words of Disservice to spell it well.