Hydraolical or Hydraulical: How To spell?

The word Hydraolical is misspelled against Hydraulical, an adjective meaning "Hydraulic."

Word contains consecutive vowels 'AU' in between alphabets hydr & lical is misspelled as 'AO'
Wrong Spelling:  hydr-ao-lical 
Correct Spelling:  hydr-au-lical 
Find more incorrect spellings of Hydraulical to spell right way.

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