772. asthenes -- without strength, weak
... of sthenoo; strengthless (in various applications, literal, figurative and moral) --
more feeble, impotent, sick, without strength, weak(-er, -ness, thing). ...
/greek/772.htm - 8kIsaiah 1:5,6
Why should you be stricken any more? you will revolt more and more: the whole head is sick, and the whole heart faint.
Nave's Topical Index—AKJV

Hosea 5:13
When Ephraim saw his sickness, and Judah saw his wound, then went Ephraim to the Assyrian, and sent to king Jareb: yet could he not heal you, nor cure you of your wound.
Nave's Topical Index—AKJV