The word Dustines is misspelled against Dustiness, a noun meaning "The state of being dusty."
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Dustiness 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:  dustine-s 
Correct Spelling:  dustine-ss 
Check more misspelled words of Dustiness to spell it correct.