Vocabulary consisting only from characters you are able to read
回る
まわる
(1)to turn/to revolve/ (2)to visit several places/ (3)to function well/ (4)to pass a certain time/(P) godan, verb, vintrans
換わる
かわる
(1)to succeed, to relieve, to replace, (2)to take the place of, to substitute for, to take over for, to represent, (3)to be exchanged, to change (places with), to switch godan, jlpt3, verb, vintrans