Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
シュレーディンガーの猫 シュレーディンガーのねこ Schrödinger's catbaka
三つ みっつ threejlpt5
下げる さげる to hang, to let downichidan, jlpt3, jlpt4, verb, vtrans
冬山 ふゆやま zimní horyleda1, shizen
人口 じんこう populationjlpt4, leda1
下る くだる (1)to descend, to go down, to come down, (2)to be handed down (of an order, judgment, etc.), (3)to pass (of time), (4)to surrender, to capitulate, (5)(often in neg. form) to be less than, to be i godan, jlpt3, verb, vintrans
七色の なないろの sedmibarevnýadj, iro, leda1
十七 じゅうなな 17math
あめ rainjlpt5, leda1, tenki
大人 おとな adultjlpt5, leda1