Sumerstir or Summerstir: How To spell?

The word Sumerstir is misspelled against Summerstir, a verb meaning "To summer-fallow."

Summerstir has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings su & erstir which should not be misspelled with single 'M'
Wrong Spelling:  su-m-erstir 
Correct Spelling:  su-mm-erstir 
Check more misspelled words of Summerstir to spell it correct.

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