The word Ratler is misspelled against Rattler, a noun meaning "One who, or that which, rattles."
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Rattler has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings ra & ler which should not be misspelled with single 'T'
Wrong Spelling:  ra-t-ler 
Correct Spelling:  ra-tt-ler 
Explore spell check of Rattler to spell without errors.