Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
下水 げすい kanál, kanalizaceleda1
風力 ふうりょく wind powermix
そよ風 そよかぜ breezeleda1, tenki
かわ riverjlpt5, shizen
人口 じんこう populationjlpt4, leda1