Impenous or Impennous: How To spell?

The word Impenous is misspelled against Impennous, an adjective meaning "Having no wings, as some insects."

Impennous has double "nn" is mispronounced as "n"
Remember double 'NN' in between the strings impe & ous which should not be misspelled with single 'N'
Wrong Spelling: impe-n-ous
Correct Spelling: impe-nn-ous
Check more misspelled words of Impennous to spell it correct.