Suna or Sunna: How To spell?
The word Suna is misspelled against Sunna, a noun meaning "A collection of traditions received by the orthodox Mohammedans as of equal authority with the Koran."
Sunna has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings su & a which should not be misspelled with single 'N'
Wrong Spelling:  su-n-a  Correct Spelling:  su-nn-a 
Check more misspelled words of Sunna to spell it correct.