yell

悲鳴をあげる(ひめいをあげる)	To scream in fear.

絶叫する(ぜっきょう)	This is only used about screaming-for-the-sake-of-screaming, ie., roller coaster or MC Hammer concert.

喚く(わめく)	To yell in an angry way, but you’re still using words.

と	を　叫ぶ:さけぶ:To exclaim! If you’re surprised and go AAAAAA or KYAA, that’s 叫ぶ。 Also you can use words – but unlike わめく it’s not always out of anger -you can use this for shouting slogans or scream your friend’s name. $$$

ほえる	To roar, bark! Used about angry animals.