Vocabulary consisting only from characters you are able to read
戦い
たたかい
battle, fight, struggle, conflictsensou
出国
しゅっこく; しゅつごく
departure from a country; (n,vs) departure from a countrysuru
大国
たいこく
large country, major powersmix
中
なか
inside, middle, amongjlpt5
億
おく
(num) 100,000,000, hundred millionjlpt4
年金
ねんきん
annuity, pensionmix