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