κῦμα

Matthew 8:24 And, behold, there arose a great tempest in the sea, insomuch that the ship was covered with the waves: but he was asleep. Matthew 14:24 But the ship was now in the midst of the sea, tossed with waves: for the wind was contrary. Mark 4:37 And there arose a great storm of wind, and the waves beat into the ship, so that it was now full. Acts 27:41 And falling into a place where two seas met, they ran the ship aground; and the forepart stuck fast, and remained unmoveable, but the hinder part was broken with the violence of the waves. Jude 1:13 Raging waves of the sea, foaming out their own shame; wandering stars, to whom is reserved the blackness of darkness forever.