Jelyfish or Jellyfish: How To spell?
The word Jelyfish is misspelled against Jellyfish, a noun meaning "Any one of the acalephs, esp. one of the larger species, having a jellylike appearance. See Medusa."
Jellyfish has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings je & yfish which should not be misspelled with single 'L'
Wrong Spelling:  je-l-yfish  Correct Spelling:  je-ll-yfish 
Find more wrongly spelled words of Jellyfish to spell it well.