Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
祖母 sobo grand motherjlpt4, kazoku, leda1
日本 nippon Japannamae
大馬鹿 oobaka extreme foolishness, utter foolmix
微分 bibun differential (e.g. calculus)math, suru
otoko manhito, jlpt5