Vocabulary consisting only from characters you are able to read
激化
げきか
intensification, aggravation; intensification, aggravationsuru
簡潔
かんけつ
brevity, conciseness, simplicitymix
過去
かこ
(1)the past, bygone days, the previous, (2)a past (i.e. a personal history one would prefer remained secret), one's past, (3)(ling) past (tense), preterit, preterite, (4)(Buddh) previous life toki