Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
歯痛 はいた toothachebyouki
~円 ~えん yenjlpt5
気持ち きもち feelingsemo, jlpt4
遠心力 えんしんりょく centrifugal forcemix
安全 あんぜん safetyjlpt4, leda1