Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
入院 にゅういん enter hospitalbyouki, jlpt4, leda1
一部 いちぶ (1)one part, one portion, one section, some, (2)one copy (e.g. of a document) mix
人口 じんこう populationjlpt4, leda1
前線 ぜんせん front line, (weather) frontmix
思いやりのある おもいやりのある considerateadj, emo