The word Shutered is misspelled against Shuttered, an adjective meaning "Furnished with shutters."
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Shuttered has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings shu & ered which should not be misspelled with single 'T'
Wrong Spelling:  shu-t-ered 
Correct Spelling:  shu-tt-ered 
Check more misspelled words of Shuttered to spell it correct.