Argonatic or Argonautic: How To spell?

The word Argonatic is misspelled against Argonautic, an adjective meaning "pertaining to the Argonauts."

Word contains consecutive vowels 'AU' in between alphabets argon & tic is misspelled as 'A' as letter 'U' is phonetically ignor
Wrong Spelling:  argon-a-tic 
Correct Spelling:  argon-au-tic 
Find more incorrect spellings of Argonautic to spell right way.

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