Vocabulary consisting only from characters you are able to read
積む
つむ
to pile up, to stack, to load (car, ship, etc.), to packgodan, jlpt3, verb
消失
しょうしつ
die out, disappear, vanish; die out, disappear, vanishsuru
関わる
かかわる
(1)to be affected, to be influenced, (2)to be concerned with, to have to do with, (3)to stick to (opinions) godan, verb, vintrans