Yes, sacrament is a Scrabble word!

...and is worth 13 points in Scrabble, and 16 points in Words with Friends

sacrament

Noun

1. A formal religious ceremony conferring a specific grace on those who receive it; the two Protestant ceremonies are baptism and the Lord's Supper; in the Roman Catholic Church and the Eastern Orthodox Church there are seven traditional rites accepted as instituted by Jesus: baptism and confirmation and Holy Eucharist and penance and holy orders and matrimony and extreme unction