Occured or Occurred: How To spell?

The word Occured is misspelled against Occurred, which is past tense of "Occur"

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

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