The word Throtling is misspelled against Throttling, which is present continuous of "Throttle"
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Throttling has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings thro & ling which should not be misspelled with single 'T'
Wrong Spelling:  thro-t-ling 
Correct Spelling:  thro-tt-ling 
Find more incorrect spellings of Throttling to spell right way.