Vocabulary consisting only from characters you are able to read
課題
かだい
subject/theme/task/challenge/issue/matter/(P)jlpt3, leda1
図
ず
figure (e.g. Fig 1)/drawing/picture/illustration/(P)leda1, math
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