Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
rei zero, noughtjlpt5
či bloodhito, jlpt4, leda1
零す kobosu rozlít (něco)jlpt3, verb, vintrans
数える kazoeru to count, to enumerateichidan, jlpt3, verb, vtrans
数字 suudži numberleda1, math