Demurage or Demurrage: How To spell?
The word Demurage is misspelled against Demurrage, meaning "the detention of a vessel beyond the specified time of sailing."
Demurrage has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings demu & age which should not be misspelled with single 'R'
Wrong Spelling:  demu-r-age  Correct Spelling:  demu-rr-age 
Check more misspelled words of Demurrage to spell it correct.