Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
soko bottom, solejlpt3
変数 hensuu variable (e.g. math), parametermix
費える tsuieru (1)to use up (one's savings), (2)to be wasted (time, effort, etc), (3)to fall apart, to become useless, (4)(arch) to be wiped out (in battle), (5)(arch) to fall apart (one's body or health) ichidan, verb, vintrans
mukashi old time, before, agojlpt4, toki
化石 kaseki zkamenělina, fosílieleda1
交流 kouryuu (1)(cultural) exchange, interchange, interaction, (inter-) mingling, (social, etc.) networking, intercourse, (2)alternating current, AC suru
鳴らす narasu to ring, to sound, to chime, to beat, to snort (nose)godan, jlpt3, verb, vtrans
プラス記号 purasukigou positive signmath
欠かす kakasu to miss (doing), to fail (to do)godan, verb, vtrans
ゴミ箱 gomibako wastebasketuchi