PSY

Set to 2 different clues across 2 published puzzles, most often “Freud subj.” — The New York Times, Monday, 19 January 2009.

3 letters

Every clue on record, most used first

Freud subj.once
The New York Times — Monday, 19 January 2009
Subj. that deals with mixed feelingsonce
The New York Times — Sunday, 30 March 2008