Cocon or Cocoon: How To spell?
The word Cocon is misspelled against Cocoon, a noun meaning "An oblong case in which the silkworm lies in its chrysalis state. It is formed of threads of silk spun by the worm just before leaving the larval state. From these the silk of commerce is prepared."
Cocoon has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings coc & n which should not be misspelled with single 'O'
Wrong Spelling:  coc-o-n  Correct Spelling:  coc-oo-n 
Find more incorrect spellings of Cocoon to spell right way.