Sica or Sicca: How To spell?
The word Sica is misspelled against Sicca, a noun meaning "A seal; a coining die; -- used adjectively to designate the silver currency of the Mogul emperors, or the Indian rupee of 192 grains."
Sicca has double "cc" is mispronounced as "c"Remember double 'CC' in between the strings Si & a which should not be misspelled with single 'C'
Wrong Spelling:  Si-c-a  Correct Spelling:  Si-cc-a 
Find more wrongly spelled words of Sicca to spell it well.