wrack 1
/rak/ , n.
1. wreck or wreckage.
2. damage or destruction: wrack and ruin.
3. a trace of something destroyed: leaving not a wrack behind.
4. seaweed or other vegetation cast on the shore.
v.t.
5. to wreck: He wracked his car up on the river road.
[ bef. 900; ME wrak (n.), OE wraec vengeance, misery, akin to wracu vengeance, misery, wrecan to WREAK ]
wrack 2
/rak/ , n. , v.i.
rack 4 .