The word Toughnes is misspelled against Toughness, a noun meaning "The quality or state of being tough."
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Toughness 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: toughne-s
Correct Spelling: toughne-ss
Check more misspelled words of Toughness to spell it correct.