GOVT

Set to 2 different clues across 2 published puzzles, most often “Something with many seats: Abbr.” — The New York Times, Thursday, 26 October 2006.

4 letters

Every clue on record, most used first

Something with many seats: Abbr.once
The New York Times — Thursday, 26 October 2006
Main subj. of a constitutiononce
The New York Times — Thursday, 28 October 2004