Seethe

burbullar

(of a liquid, vapour, etc., or a container holding it: to foam or froth in an agitated manner, as if boiling — see also foam, froth)

ferver

(of a person: to be in an agitated or angry mental state)

ferver

(of a place: to be filled with many people or things moving about actively; to buzz with activity; of people or things: to move about actively in a crowd or group)