The word Navtilite is misspelled against Nautilite, a noun meaning "A fossil nautilus."
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Word contains consecutive vowels 'AU' in between alphabets n & tilite is misspelled as 'AV'
Wrong Spelling:  n-av-tilite 
Correct Spelling:  n-au-tilite 
Find more wrongly spelled words of Nautilite to spell it well.