aggression
aggressive
anger
angry
battle
belligerent
bold
boxer
boxing
boy
brawler
brawny
combat
courageous
daring
dauntless
fearless
fierce
fiercely
fight
fighter
fighting
force
frantic
furious
guy
intrepid
kickboxer
kickboxing
male
malice
man
men
mighty
muscular
plucky
potent
powerful
pugnacious
rage
scrapper
scuffle
severe
spite
sport
street fighter
strength
strong
struggle
undaunted
valiant
vigorous
warrior
young