Biring or Birring: How To spell?

The word Biring is misspelled against Birring, which is present continuous of "Birr"

Birring has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings bi & ing which should not be misspelled with single 'R'
Wrong Spelling: bi-r-ing
Correct Spelling: bi-rr-ing
Find more wrongly spelled words of Birring to spell it well.