The word Sumering is misspelled against Summering, which is present continuous of "Summer"
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Summering has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings su & ering which should not be misspelled with single 'M'
Wrong Spelling:  su-m-ering 
Correct Spelling:  su-mm-ering 
Check more misspelled words of Summering to spell it correct.