"Fearlessness" vs. "boldness": navigating the fine line of courageous language

What is similar?
Both "fearlessness" and "boldness" describe qualities of courage and the willingness to take risks. They both imply a lack of fear when facing challenges or dangers.
What is different?
Fearlessness implies a complete absence or disregard of fear in situations that are typically frightening, while boldness is more about showing a confident willingness to take risks, even if some fear is present. Boldness often suggests a proactive or assertive approach, whereas fearlessness can be more about internal disposition.
Which one is more common?

Examples of usage
Fearlessness- Her fearlessness in the face of adversity inspired everyone around her.
- The firefighter's fearlessness allowed him to save the child from the burning building.
- His boldness in proposing a radical new idea took everyone by surprise.
- The artist's boldness in experimenting with new styles set her apart from her peers.