Enter a clue or pattern or both:
The Clue
Chassis problem (9 letter answer)
The Answer
CORROSION
Tags
Notes
The answer CORROSION is so rare that it appears less than once every 2500 puzzles.
Definition
CORROSION as a noun:
1. a state of deterioration in metals caused by oxidation or chemical action
2. (corrosion, corroding, erosion) = erosion by chemical action