Crossword Genius

Many a bill's name in Congress

Ross

I believe the answer is:

acronym

(Other definitions for acronym that I've seen before include "Ernie, for one" , "Word made from initial letters of other words" , "radar, for one" , "Word formed from 1st letters of other words" , "Perhaps NATO" .)

I've seen this clue in The New York Times.
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