different between piggishness vs priggishness

English

piggish +? -ness

piggishness (usually uncountable, plural piggishnesses)

The quality of being like a pig in one's character; greediness, boorishness, or obstinacy.
The man was a glutton; his piggishness was legendary.
The old man's stubborn piggishness kept him from acknowledging that his wife was a better driver than he, even after his license was revoked.

priggish +? -ness

priggishness (usually uncountable, plural priggishnesses)

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