This 2015 wikileak has both Comey and Corney in the same sentence.
https://wikileaks.org/hackingteam/emails/emailid/315976
In this 2013 article both Comey and Corney is written in the same sentence.
https://www.theatlantic.com/politics/archive/2013/05/bedside-manners-obamas-pick-fbi-head/314778/
Duckduck search states that the document writes Dear mr. Corney
The document states Dear mr Comey
Comey can only be found when ctrl f searching for Corney
https://www.archives.gov/files/foia/State%20Letter%20to%20FBI%20Director%20Comey%2C%20Sep%202015%20REVIEWED%20RELEASE.pdf
Someone with the writing name Corney has written a pro communist book, related to the Red October Bolshevik revolution.
https://academic.oup.com/ahr/article/111/2/430/40754