9 letters · 12 points in Scrabble
noun a practice session in preparation for a public performance (as of a play or speech or concert)
noun (psychology) a form of practice; repetition of information (silently or aloud) in order to keep it in short-term memory
originFrom Middle English rehercel, rehersail, rehersall, from rehersen and apparently partly Middle French rehercel. By surface analysis, rehearse + -al.
Etymology from Wiktionary, CC BY-SA 3.0