Penigerous or Pennigerous: How To spell?
The word Penigerous is misspelled against Pennigerous, an adjective meaning "Bearing feathers or quills."
Pennigerous has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings pe & igerous which should not be misspelled with single 'N'
Wrong Spelling:  pe-n-igerous  Correct Spelling:  pe-nn-igerous 
Check more misspelled words of Pennigerous to spell it correct.