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.

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