The word Pierceible is misspelled against Pierceable, an adjective meaning "That may be pierced."
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Pierceable has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets pierc & ble is misspelled as 'EI'
Wrong Spelling:  pierc-ei-ble 
Correct Spelling:  pierc-ea-ble 
Find more wrongly spelled words of Pierceable to spell it well.