Impenes or Impennes: How To spell?

The word Impenes is misspelled against Impennes, a noun meaning "An order of birds, including only the penguins, in which the wings are without quills, and not suited for flight."

--> Impennes has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings impe & es which should not be misspelled with single 'N'
Wrong Spelling:  impe-n-es 
Correct Spelling:  impe-nn-es 
Explore spell check of Impennes to spell without errors.

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