Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
電機 denki appliancesdenki
生まれる umareru to be bornichidan, jlpt3, jlpt5, verb, vintrans
微分 bibun differential (e.g. calculus)math, suru
音色 neiro barva tónuleda1, ongaku
集まる acumaru to gathergodan, jlpt4, verb, vintrans