猪突猛進[chototsumoushin] headlong
猛威[moui] fury
猛禽[moukin] bird of prey
猛犬[mouken] savage dog
猛虎[mouko] fierce tiger

猛攻[moukou] fierce attack
猛攻撃[moukougeki] fierce attack
猛者[mosa] man of valour
猛獣[moujuu] wild animal
猛暑[mousho] heat wave