This is the 16619th most frequent Polish word.
wraku
"Wraku" (genitive singular of "wrak") means "of a wreck" in English.
In this sentence, "wraku" refers to the remains of a ship, typically used to denote a shipwreck.
Na dnie oceanu znaleźli wrak statku.
At the bottom of the ocean, they found a shipwreck.
Here, "wraku" metaphorically describes the car damaged as if it were a wreck, indicating its poor condition.
Po wypadku samochód wyglądał jak wrak.
After the accident, the car looked like a wreck.
In this context, "wraku" is used to denote the wreckage of an airplane after a crash.