Vocabulary consisting only from characters you are able to read
調整
ちょうせい
regulation, coordination, adjustment, tuning, modification, alterationsuru
親しい
したしい
intimate, close (e.g. friend)jlpt3
類
たぐい
(1)kind, sort, type, (2)equal, match, peer; kind, sort, class, family, genus mix
億
おく
(num) 100,000,000, hundred millionjlpt4
種々
しゅじゅ
variety; varietymix