Verses with the word longing in the Old Testament (3 verses):

Deuteronomy 28:32
Thy sons and thy daughters shall be given unto another people, and thine eyes shall look, and fail with longing for them all the day long; and there shall be no might in thine hand.

Psalms 107:9
For he satisfieth the longing soul, and filleth the hungry soul with goodness.

Psalms 119:20
My soul breaketh for the longing that it hath unto thy judgments at all times.