The word Costles is misspelled against Costless, an adjective meaning "Costing nothing."
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Costless 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: costle-s
Correct Spelling: costle-ss
Find more incorrect spellings of Costless to spell right way.