RUSTED

Set to 2 different clues across 2 published puzzles, most often “Showing signs of disuse” — The New York Times, Thursday, 11 November 2010.

6 letters

Every clue on record, most used first

Showing signs of disuseonce
The New York Times — Thursday, 11 November 2010
Like the Tin Man, upon discoveryonce
The New York Times — Wednesday, 13 December 2006