Dornail or Doornail: How To spell?
The word Dornail is misspelled against Doornail, a noun meaning "The nail or knob on which in ancient doors the knocker struck; -- hence the old saying, "As dead as a doornail.""
Doornail has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings d & rnail which should not be misspelled with single 'O'
Wrong Spelling:  d-o-rnail  Correct Spelling:  d-oo-rnail 
Find more incorrect spellings of Doornail to spell right way.