Pinatifid or Pinnatifid: How To spell?
The word Pinatifid is misspelled against Pinnatifid, an adjective meaning "Divided in a pinnate manner, with the divisions not reaching to the midrib."
Pinnatifid has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings pi & atifid which should not be misspelled with single 'N'
Wrong Spelling:  pi-n-atifid  Correct Spelling:  pi-nn-atifid 
Find more wrongly spelled words of Pinnatifid to spell it well.