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