The word Cloistres is misspelled against Cloistress, a noun meaning "A nun."
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Cloistress has double 'ss' in the end mispronounced as 's'
Remember double 'SS' appears in the end of this word which should not be misspelled with single 'S'
Wrong Spelling:  cloistre-s 
Correct Spelling:  cloistre-ss 
Find more incorrect spellings of Cloistress to spell right way.