Overunning or Overrunning: How To spell?

The word Overunning is misspelled against Overrunning, which is present continuous of "Overrun"

Overrunning has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings ove & unning which should not be misspelled with single 'R'
Wrong Spelling: ove-r-unning
Correct Spelling: ove-rr-unning
Check more misspelled words of Overrunning to spell it correct.