Costeyn or Costean: How To spell?
The word Costeyn is misspelled against Costean, a verb meaning "To search after lodes. See Costeaning."
Costean has vowels 'ea' together mispronounced as 'ey'Word contains consecutive vowels 'EA' in between alphabets cost & n is misspelled as 'EY'
Wrong Spelling:  cost-ey-n  Correct Spelling:  cost-ea-n 
Find more incorrect spellings of Costean to spell right way.