Vocabulary consisting only from characters you are able to read
降下
kouka
fall, descent, (plane) landing, (atmos.) depressionsuru
校正
kousei
(1)proofreading, correction of press, (2)calibration suru
生地
seichi
(1)cloth, material, texture, (2)one's true character, (3)unglazed pottery, (4)uncooked dough, batter; birthplace mix