The word Finles is misspelled against Finless, an adjective meaning "destitute of fins."
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Finless 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:  finle-s 
Correct Spelling:  finle-ss 
Find more wrongly spelled words of Finless to spell it well.