6 letters · 7 points in Scrabble
noun a person who rings church bells (as for summoning the congregation)
noun a person who is almost identical to another
noun a contestant entered in a competition under false pretenses
originSome senses may derive from ring the changes (“run through variations; enliven; pass counterfeit money; trick a shopkeeper into giving too much change”).
Etymology from Wiktionary, CC BY-SA 3.0