ignorance????

[Unregistered]

Hi

which is correct - i often see sentences with the following words

He pleads ignorance
He pledges ignorance

thank you

 

[Raymott]

Hi

which is correct - i often see sentences with the following words

He pleads ignorance
He pledges ignorance

thank you

"He pleads ignorance" makes sense.
The other sentence doesn't. Where do you often see this?