Costauning or Costeaning: How To spell?

The word Costauning is misspelled against Costeaning, a noun meaning "The process by which miners seek to discover metallic lodes. It consist in sinking small pits through the superficial deposits to the solid rock, and then driving from one pit to another across the direction of the vein, in such manner as to cross all the veins between the two pits."

Costeaning has vowels 'ea' together mispronounced as 'au'
Word contains consecutive vowels 'EA' in between alphabets cost & ning is misspelled as 'AU'
Wrong Spelling:  cost-au-ning 
Correct Spelling:  cost-ea-ning 
Check more misspelled words of Costeaning to spell it correct.

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