Vocabulary consisting only from characters you are able to read
関わる
かかわる
(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
練る
ねる
(1)to knead, to work over, (2)to polish up (e.g. a plan), (3)to drill, to train godan, verb, vtrans