Vocabulary consisting only from characters you are able to read
説く
とく
to explain, to advocate, to preach, to persuadegodan, verb
関節
かんせつ
joints (knee joint, elbow joint, etc.)hito
類
たぐい
(1)kind, sort, type, (2)equal, match, peer; kind, sort, class, family, genus mix
種類
しゅるい
(1)variety, kind, type, category, (ctr) (2)counter for different sorts of things jlpt3, mix
願う
ねがう
(1)to desire, to wish, to hope, (2)to beg, to request, to implore, to pray, (aux-v) (3)to have something done for oneself godan, verb, vtrans
親しい
したしい
intimate, close (e.g. friend)jlpt3