Filed from 2 published puzzles

HEIS

Set to 2 different clues across 2 published puzzles, most often "___ an Englishman" ("H.M.S. Pinafore" song) — The New York Times, Wednesday, 11 January 2006.

4 letters

Every clue on record, most used first

"___ an Englishman" ("H.M.S. Pinafore" song)once
The New York Times — Wednesday, 11 January 2006
"Who does he think ___!"once
The New York Times — Tuesday, 8 December 1998