The word Firmnes is misspelled against Firmness, a noun meaning "The state or quality of being firm."
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Firmness 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: firmne-s
Correct Spelling: firmne-ss
Find more wrongly spelled words of Firmness to spell it well.