Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
火山 かざん volcanoleda1, shizen
人口 じんこう populationjlpt4, leda1
水力 すいりょく hydraulic power, water powermix
むし insectdoubutsu, jlpt4, leda1
十五夜 じゅうごや night of the full moon/the night of the 15th day of the 8th lunar monthleda1