Biling or Billing: How To spell?
The word Biling is misspelled against Billing, an adjective meaning "Caressing; kissing."
Billing has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings bi & ing which should not be misspelled with single 'L'
Wrong Spelling:  bi-l-ing  Correct Spelling:  bi-ll-ing 
Find more wrongly spelled words of Billing to spell it well.