Cocyx or Coccyx: How To spell?
The word Cocyx is misspelled against Coccyx, a noun meaning "The end of the vertebral column beyond the sacrum in man and tailless monkeys. It is composed of several vertebrae more or less consolidated."
Coccyx has double "cc" is mispronounced as "c"Remember double 'CC' in between the strings Co & yx which should not be misspelled with single 'C'
Wrong Spelling:  Co-c-yx  Correct Spelling:  Co-cc-yx 
Find more incorrect spellings of Coccyx to spell right way.