What's the difference between burliness and surliness?

Burliness

Definition:

• (n.) Quality of being burly.

Example Sentences:

Surliness

Definition:

• (n.) The quality or state of being surly.

Example Sentences:

• (1) The surliness of the police towards this government over pay and pensions for another.
• (2) London patriotism means relishing the crowds, the noise, the surliness and the grime.