Roar

Aufheulen

(loud resounding noise such as sound of a motorbike or a similar engine)

Brüllen

(cry of the lion)

Tosen

(long, loud, deep shout)

brüele

(to make loud, deep cry of emotion)

brüllen

(to make loud, deep cry of emotion)

brüllen

(of animals, to make a loud deep noise)