'Religion' in the Bible

but certain questions concerning their own religion they had against him, and concerning a certain Jesus who was dead, whom Paul affirmed to be alive;

If any one doth think to be religious among you, not bridling his tongue, but deceiving his heart, of this one vain is the religion;

religion pure and undefiled with the God and Father is this, to look after orphans and widows in their tribulation -- unspotted to keep himself from the world.