Vocabulary consisting only from characters you are able to read
手伝い
てつだい
(1)helper, assistant, (2)help jlpt3
公共
こうきょう
public, community, public service, society, communalmix
不治の
ふじ の
(sens) incurability; (sens) incurabilitybyouki
落下
らっか
fall, drop, come downsuru
無用
むよう
useless, futility, needlessness, unnecessarinessmix
魔神
まじん
devil/evil spirit/genie; devil/evil spirit/geniebaka
不可欠
ふかけつ
indispensable, essentialmix
十億
じゅうおく
1,000,000,000, billion (American), (obs) milliard (British)mix
社会者
しゃかいしゃ
member of society