BT Ber 9b(53) :הני תמני סרי הויין תשסרי הויין‏ : are these eighteen (literary units of the Psalms)? There are nineteen
See the entire entry for tmny@ˁsr num. eighteen

BT Ber 9b(53) :תשסרי‏ :
See the entire entry for tšaˁsar, tšaˁ ˁsar num. nineteen