The word Cutlases is misspelled against Cutlasses, which is plural of "Cutlass"
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Cutlasses has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings cutla & es which should not be misspelled with single 'S'
Wrong Spelling:  cutla-s-es 
Correct Spelling:  cutla-ss-es 
Check more misspelled words of Cutlasses to spell it correct.