Some of the Slavic religious vocabulary is shared with Iranian , such as vera ( right choice between good and evil and svet ( holy ) .
Much of the religious vocabulary of the Slavs , including vera ( `` faith '' , right choice between good and evil ) , svet ( `` holy '' ) , mir ( `` peace '' , `` agreement of parts '' ) and rai ( `` paradise '' ) , is shared with Iranian .
Slavic paganism