Vocabulary consisting only from characters you are able to read
練る
neru
(1)to knead, to work over, (2)to polish up (e.g. a plan), (3)to drill, to train godan, verb, vtrans
静けさ
šizukesa
stillness/silence/hush/calm/serenity/(P)mix
種類
šurui
(1)variety, kind, type, category, (ctr) (2)counter for different sorts of things jlpt3, mix
課
ka
(1)lesson/ (2)section (in an organization)/division/department/(ctr) (3)counter for lessons and chapters (of a book)/(P) leda1
関わる
kakawaru
(1)to be affected, to be influenced, (2)to be concerned with, to have to do with, (3)to stick to (opinions) godan, verb, vintrans
験
širuši
(1)mark, (2)symbol, (3)evidence; mix