Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
積分 せきぶん integralmath
転落 てんらく fall, degradation, slump, spillsuru
砂場 すなば sand pitmix
初夏 しょか časné létoleda1, toki
本棚 ほんだな bookshelvesjlpt3, jlpt5, uchi