Valum or Vallum: How To spell?
The word Valum is misspelled against Vallum, a noun meaning "A rampart; a wall, as in a fortification."
Vallum has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings va & um which should not be misspelled with single 'L'
Wrong Spelling:  va-l-um  Correct Spelling:  va-ll-um 
Check more misspelled words of Vallum to spell it correct.