Pinacling or Pinnacling: How To spell?
The word Pinacling is misspelled against Pinnacling, which is present continuous of "Pinnacle"
Pinnacling has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings pi & acling which should not be misspelled with single 'N'
Wrong Spelling:  pi-n-acling  Correct Spelling:  pi-nn-acling 
Find more wrongly spelled words of Pinnacling to spell it well.