Overiding or Overriding: How To spell?
The word Overiding is misspelled against Overriding, which is present continuous of "Override"
Overriding has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings ove & iding which should not be misspelled with single 'R'
Wrong Spelling:  ove-r-iding  Correct Spelling:  ove-rr-iding 
Find more wrongly spelled words of Overriding to spell it well.