Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
治水 ちすい flood controlsuru
悲鳴 ひめい shriek, screamsuru
用意 ようい preparejlpt4
変わる かわる změnit (se), být změněngodan, jlpt3, jlpt4, verb, vintrans, vtrans
試験勉強 しけんべんきょう cramming for examsgakkou
死後 しご after death/(P)leda1
雷電 らいでん Raiden, god of thunder and lightningkami
自明 じめい obvious, self-evident, trivial, axiomatic, self-explanatorymix
大分県 おおいたけん Ooita (Oita) prefecture (Kyuushuu)namae
受身 うけみ (1)the defensive, (2)passive attitude, passivity, passiveness, (3)(ling) the passive, passive voice, (4)(MA) ukemi (the art of falling safely) mix