Vocabulary consisting only from characters you are able to read
銃
juu
gun, rifle, small armsmix
戦
ikusa
(1)war, battle, campaign, fight, (2)(arch) troops, forces; (3)war, battle, (4)match, competition mix
軍隊
guntai
army, troopsmix
砲
tsutsu
gun, rifle, small arms; gun, cannon, artillery, ordnancemix