The word Hiliness is misspelled against Hilliness, a noun meaning "The state of being hilly."
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Hilliness has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings hi & iness which should not be misspelled with single 'L'
Wrong Spelling:  hi-l-iness 
Correct Spelling:  hi-ll-iness 
Find more wrongly spelled words of Hilliness to spell it well.