Verses with the word synagogue's in the New Testament (2 verses):

Mark 5:35
While he yet spake, there came from the ruler of the synagogue's house certain which said, Thy daughter is dead: why troublest thou the Master any further?

Luke 8:49
While he yet spake, there cometh one from the ruler of the synagogue's house, saying to him, Thy daughter is dead; trouble not the Master.