The word Ratling is misspelled against Rattling, which is present continuous of "Rattle"
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Rattling has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings ra & ling which should not be misspelled with single 'T'
Wrong Spelling:  ra-t-ling 
Correct Spelling:  ra-tt-ling 
Find more wrongly spelled words of Rattling to spell it well.