Saculus or Sacculus: How To spell?
The word Saculus is misspelled against Sacculus, a noun meaning "A little sac; esp., a part of the membranous labyrinth of the ear."
Sacculus has double "cc" is mispronounced as "c"Remember double 'CC' in between the strings Sa & ulus which should not be misspelled with single 'C'
Wrong Spelling:  Sa-c-ulus  Correct Spelling:  Sa-cc-ulus 
Check more misspelled words of Sacculus to spell it correct.