The word Decreing is misspelled against Decreeing, which is present continuous of "Decree"
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Decreeing has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings Decr & ing which should not be misspelled with single 'E'
Wrong Spelling:  Decr-e-ing 
Correct Spelling:  Decr-ee-ing 
Find more wrongly spelled words of Decreeing to spell it well.