Mul or Mull: How To spell?
The word Mul is misspelled against Mull, a noun meaning "A promontory; as, the Mull of Cantyre."
Mull has double 'll' in the end mispronounced as 'l'Remember double 'LL' appears in the end of this word which should not be misspelled with single 'L'
Wrong Spelling:  mu-l  Correct Spelling:  mu-ll 
Check more misspelled words of Mull to spell it correct.