Navtiform or Nautiform: How To spell?

The word Navtiform is misspelled against Nautiform, an adjective meaning "Shaped like the hull of a ship."

Word contains consecutive vowels 'AU' in between alphabets n & tiform is misspelled as 'AV'
Wrong Spelling:  n-av-tiform 
Correct Spelling:  n-au-tiform 
Find more incorrect spellings of Nautiform to spell right way.

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