Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
痛む itamu to hurtemo, godan, verb
老化 rouka ageing, aging, senile deteriorationsuru
中耳 chuuji middle earhito
校正 kousei (1)proofreading, correction of press, (2)calibration suru
時雨 shigure drizzle, shower in late autumn (fall) or early wintermix