“Affront” vs. “Effrontery”: What’s the Difference?

The difference between “affront” and “effrontery”

• Affront implies a direct insult or offense, while effrontery suggests a broader disregard for social norms or expectations, often involving a lack of shame or modesty in one's actions or speech.
• An affront is focused on the act itself and how it is received by the person affected, whereas effrontery emphasizes the boldness or insolence displayed by the individual engaging in the behavior.

What is the definition of “affront” and “effrontery”?

Which is the more popular variant on the Internet?