Hawstellate or Haustellate: How To spell?

The word Hawstellate is misspelled against Haustellate, a noun meaning "One of the Haustellata."

Word contains consecutive vowels 'AU' in between alphabets h & stellate is misspelled as 'AW'
Wrong Spelling:  h-aw-stellate 
Correct Spelling:  h-au-stellate 
Explore spell check of Haustellate to spell without errors.

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