Costan or Costean: How To spell?

The word Costan is misspelled against Costean, a verb meaning "To search after lodes. See Costeaning."

Costean has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets cost & n is misspelled as 'A'
Wrong Spelling:  cost-a-n 
Correct Spelling:  cost-ea-n 
Find more incorrect spellings of Costean to spell right way.

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