Pitacal or Pittacal: How To spell?
The word Pitacal is misspelled against Pittacal, a noun meaning "A dark blue substance obtained from wood tar. It consists of hydrocarbons which when oxidized form the orange-yellow eupittonic compounds, the salts of which are dark blue."
Pittacal has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings pi & acal which should not be misspelled with single 'T'
Wrong Spelling:  pi-t-acal  Correct Spelling:  pi-tt-acal 
Find more wrongly spelled words of Pittacal to spell it well.