Verses with the word swelling in the Old Testament (5 verses):

Psalms 46:3
Though the waters thereof roar and be troubled, though the mountains shake with the swelling thereof. Selah.

Isaiah 30:13
Therefore this iniquity shall be to you as a breach ready to fall, swelling out in a high wall, whose breaking cometh suddenly at an instant.

Jeremiah 12:5
If thou hast run with the footmen, and they have wearied thee, then how canst thou contend with horses? and if in the land of peace, wherein thou trustedst, they wearied thee, then how wilt thou do in the swelling of Jordan?

Jeremiah 49:19
Behold, he shall come up like a lion from the swelling of Jordan against the habitation of the strong: but I will suddenly make him run away from her: and who is a chosen man, that I may appoint over her? for who is like me? and who will appoint me the time? and who is that shepherd that will stand before me?

Jeremiah 50:44
Behold, he shall come up like a lion from the swelling of Jordan unto the habitation of the strong: but I will make them suddenly run away from her: and who is a chosen man, that I may appoint over her? for who is like me? and who will appoint me the time? and who is that shepherd that will stand before me?