Brawl vs Perturbation - What's the difference?

As nouns the difference between brawl and perturbation

is that brawl is a fight, usually with a large number of people involved while perturbation is agitation; the state of being perturbed.

is to engage in a brawl; to fight or quarrel.

(wikipedia brawl)

(en noun)

A fight, usually with a large number of people involved.

(en verb)

To engage in a brawl; to fight or quarrel.

To complain loudly; to scold.

To make a loud confused noise, as the water of a rapid stream running over stones.

* Wordsworth

where the brook brawls along the painful road

(uncountable) Agitation; the state of being perturbed

(countable) A small change in a physical system, or more broadly any definable system (such as a biological or economic system)

(countable, astronomy, physics) Variation in an orbit due to the influence of external bodies