Perenial or Perrenial: How To spell?
The word Perenial is misspelled against Perrenial, meaning "recurrent throught, occuring repeatedly or forever"
Perrenial has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings pe & enial which should not be misspelled with single 'R'
Wrong Spelling:  pe-r-enial  Correct Spelling:  pe-rr-enial 
Find more wrongly spelled words of Perrenial to spell it well.